{"id":13496,"date":"2025-02-05T10:30:00","date_gmt":"2025-02-05T09:30:00","guid":{"rendered":"https:\/\/tera-environnement.com\/measurement-of-nitrous-oxide-n2o-in-air\/"},"modified":"2025-04-14T12:10:53","modified_gmt":"2025-04-14T10:10:53","slug":"measurement-of-nitrous-oxide-n2o-in-air","status":"publish","type":"post","link":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/","title":{"rendered":"Measurement of nitrous oxide (N<sub>2<\/sub>O) in air"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"13496\" class=\"elementor elementor-13496 elementor-13094\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8d5069d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8d5069d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-abaae19\" data-id=\"abaae19\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-162cbc6 elementor-widget__width-auto elementor-widget elementor-widget-image\" data-id=\"162cbc6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"68\" height=\"69\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/09\/fleche-grise.png\" class=\"attachment-large size-large wp-image-389\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca79a8e elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"ca79a8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Measurement of nitrous oxide (N<sub>2<\/sub>O) in air<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-1da6e11 e-flex e-con-boxed e-con e-parent\" data-id=\"1da6e11\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b5578ca elementor-widget elementor-widget-spacer\" data-id=\"b5578ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c1a958 elementor-widget elementor-widget-text-editor\" data-id=\"3c1a958\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Nitrous oxide (N\u2082O), a gas with major impacts. Why is it essential to measure it? <\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b5b49e elementor-widget elementor-widget-text-editor\" data-id=\"3b5b49e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nitrous oxide (CAS n\u00b0: 10024-97-2) is considered as one of the most dangerous greenhouse gases for the environment, contributing to both stratospheric ozone depletion and global warming.<\/p><p>In addition to its alarming role as a greenhouse gas, nitrous oxide, also known as nitrogen protoxide or laughing gas for its medical and recreational uses, is also toxic to humans. In the event of acute exposure, it can cause digestive, neurological or irritative disorders, and can even cause respiratory or cardiac damage in the event of heavy exposure.<\/p><p>For repeated, low-dose (chronic) exposure, nitrous oxide can cause neurological (impaired cognitive performance) and hematological damage, and adversely affect fertility and development.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e0b3406 e-flex e-con-boxed e-con e-parent\" data-id=\"e0b3406\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64b2c3a elementor-widget elementor-widget-spacer\" data-id=\"64b2c3a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0a0fb4 elementor-widget elementor-widget-text-editor\" data-id=\"a0a0fb4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Nitrous oxide can be found in a variety of media<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7abfdf8 e-flex e-con-boxed e-con e-parent\" data-id=\"7abfdf8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-384a5c4 e-con-full e-flex e-con e-child\" data-id=\"384a5c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eb00587 elementor-widget elementor-widget-text-editor\" data-id=\"eb00587\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Atmospheric emissions &amp; Soil gases<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-596531d elementor-widget elementor-widget-image\" data-id=\"596531d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-974176160-2048x1365.jpg\" class=\"attachment-2048x2048 size-2048x2048 wp-image-13315\" alt=\"\" srcset=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-974176160-scaled.jpg 2048w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-974176160-300x200.jpg 300w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-974176160-1024x683.jpg 1024w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-974176160-768x512.jpg 768w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-974176160-1536x1024.jpg 1536w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-974176160-600x400.jpg 600w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-641e38e e-con-full e-flex e-con e-child\" data-id=\"641e38e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d4885d8 elementor-widget elementor-widget-spacer\" data-id=\"d4885d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-09ceb15 elementor-widget elementor-widget-text-editor\" data-id=\"09ceb15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Chemical industry :  <\/strong><\/li>\n<\/ul>\n<p>It is one of the priority compounds to be identified in emissions from stationary sources, notably because of its presence in atmospheric emissions, particularly during the manufacture of nylon, glyoxal and nitric, adipic and glyoxylic acids.<\/p>\n<ul>\n<li><strong>Agriculture :<\/strong><\/li>\n<\/ul>\n<p>When nitrogen fertilizers are applied to soils, they undergo nitrification and denitrification processes. These biological processes transform nitrogen into various forms, including N\u2082O, which is then released into the atmosphere or trapped in soil gases (nitrification\/denitrification phenomena in cultivated soils). <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ef4edce e-flex e-con-boxed e-con e-parent\" data-id=\"ef4edce\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ef3c4c9 e-con-full e-flex e-con e-child\" data-id=\"ef3c4c9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b936bd1 elementor-widget elementor-widget-spacer\" data-id=\"b936bd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d50ed0 elementor-widget elementor-widget-text-editor\" data-id=\"9d50ed0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Hospitals and veterinary surgeries:<\/strong><\/li>\n<\/ul>\n<p>Professionals in various sectors are likely to be regularly exposed, such as hospital and veterinary practitioners, who are particularly exposed to nitrous oxide due to its use as an anesthetic in surgery.  <\/p>\n<ul>\n<li><strong>Food industry, Microelectronics, Aerospace :  <\/strong><\/li>\n<\/ul>\n<p>N\u2082O can be used as a propellant in food aerosols, such as whipped cream, in the manufacture of semiconductors or even as an oxidizer for rocket engines.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4caf723 e-con-full e-flex e-con e-child\" data-id=\"4caf723\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-95ee7d2 elementor-widget elementor-widget-text-editor\" data-id=\"95ee7d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Workplace air \/ Occupational exposure<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ebe78b elementor-widget elementor-widget-image\" data-id=\"5ebe78b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"532\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-1304895442-1024x681.jpg\" class=\"attachment-large size-large wp-image-13318\" alt=\"\" srcset=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-1304895442-1024x681.jpg 1024w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-1304895442-300x200.jpg 300w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-1304895442-768x511.jpg 768w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-1304895442-1536x1022.jpg 1536w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-1304895442-scaled.jpg 2048w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/iStock-1304895442-600x399.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c33d8c0 e-flex e-con-boxed e-con e-parent\" data-id=\"c33d8c0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4dffd3c elementor-widget elementor-widget-text-editor\" data-id=\"4dffd3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Established or recommended Occupational Exposure Limits Values (OELVs)<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f60f2c0 e-flex e-con-boxed e-con e-parent\" data-id=\"f60f2c0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-58ec8c2 elementor-widget elementor-widget-text-editor\" data-id=\"58ec8c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Occupational exposure limits values have been established or are recommended by various national bodies.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3e5f2b6 e-flex e-con-boxed e-con e-parent\" data-id=\"3e5f2b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c677baa elementor-flip-box--effect-flip elementor-flip-box--direction-up elementor-widget elementor-widget-flip-box\" data-id=\"c677baa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"flip-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-flip-box\" tabindex=\"0\">\n\t\t\t<div class=\"elementor-flip-box__layer elementor-flip-box__front\">\n\t\t\t\t<div class=\"elementor-flip-box__layer__overlay\">\n\t\t\t\t\t<div class=\"elementor-flip-box__layer__inner\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper elementor-view-default\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-icon\">\n\t\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-double\"><\/i>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-flip-box__layer__title\">\n\t\t\t\t\t\t\t\tIn Germany and the United States - 8h OELV established\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-flip-box__layer__description\">\n\t\t\t\t\t\t\t\tGermany: 100 ppm or 180 mg\/m<sup>3<\/sup>\n<p>United States: 50 ppm or 90 mg\/m<sup>3<\/sup>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"elementor-flip-box__layer elementor-flip-box__back\">\n\t\t\t<div class=\"elementor-flip-box__layer__overlay\">\n\t\t\t\t<div class=\"elementor-flip-box__layer__inner\">\n\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-flip-box__layer__title\">\n\t\t\t\t\t\t\tIn the air - Anaesthesia in the United States :  \t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-flip-box__layer__description\">\n\t\t\t\t\t\t\tIn the USA, NIOSH recommends 25 ppm as the 8h-OELV to nitrous oxide during the anesthetic administration period.\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ff9a262 e-flex e-con-boxed e-con e-parent\" data-id=\"ff9a262\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-18eddcc elementor-flip-box--effect-flip elementor-flip-box--direction-up elementor-widget elementor-widget-flip-box\" data-id=\"18eddcc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"flip-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-flip-box\" tabindex=\"0\">\n\t\t\t<div class=\"elementor-flip-box__layer elementor-flip-box__front\">\n\t\t\t\t<div class=\"elementor-flip-box__layer__overlay\">\n\t\t\t\t\t<div class=\"elementor-flip-box__layer__inner\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper elementor-view-default\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-icon\">\n\t\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check\"><\/i>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-flip-box__layer__title\">\n\t\t\t\t\t\t\t\tIn France - 8h OELV recommended\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-flip-box__layer__description\">\n\t\t\t\t\t\t\t\t25 ppm or 45 mg\/m<sup>3<\/sup>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"elementor-flip-box__layer elementor-flip-box__back\">\n\t\t\t<div class=\"elementor-flip-box__layer__overlay\">\n\t\t\t\t<div class=\"elementor-flip-box__layer__inner\">\n\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-flip-box__layer__title\">\n\t\t\t\t\t\t\tAir in the workplace - Anaesthesia in France :\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-flip-box__layer__description\">\n\t\t\t\t\t\t\tIn France, circular DGS\/3A\/667 bis of October 10, 1985 sets the limit value for exposure during the maintenance phase of anesthesia at 25 ppm.\n<p>\nNote that since February 2024, in France, the Anses has recommended a OELV for nitrous oxide of 25 ppm (i.e. 45 mg\/m<sup>3<\/sup>) over 8h of exposure, as well as an indicative STEL-15min (short-term exposure limit values) of 225 mg\/m<sup>3<\/sup> (opinion and collective expertise report).  \n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-flip-box__button elementor-button elementor-size-xs\" href=\"https:\/\/www.anses.fr\/fr\/content\/protoxyde-azote-limiter-exposition-professionnels\" target=\"_blank\">\n\t\t\t\t\t\t\tVisit the ANSES website\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4f712e5 e-flex e-con-boxed e-con e-parent\" data-id=\"4f712e5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-88fb8bf elementor-widget elementor-widget-spacer\" data-id=\"88fb8bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a1d27e elementor-widget elementor-widget-text-editor\" data-id=\"2a1d27e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Why trust us with your nitrous oxide (N\u2082O) measurements?  <\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83292ce elementor-widget elementor-widget-text-editor\" data-id=\"83292ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>TERA environnement offers you a comprehensive package, including the provision of sampling media and analysis services. In addition, we can support you in a wide range of matrices, from soil gases and air emissions to air in the workplace. Our limits of quantification (LOQ) are lower than the OELV.<\/p><ul><li><strong>Outdoor ambient air and industrial emissions<\/strong>:<\/li><\/ul><p>Sampling on<strong> <a href=\"https:\/\/tera-environnement.com\/en\/rental\/canisters-veriflow\/\">canisters<\/a>, TEDLAR bags or multi-layer bags<\/strong> for measurements in ambient air and at emission points, and analysis by OL GC TCD.<\/p><ul><li><strong>Workplace air<\/strong>:<\/li><\/ul><p>We offer analysis of nitrous oxide in workplace air using a <strong>zeolite tube<\/strong> (BaZSM5), either on the operator or at a fixed station. These systems are based on research carried out by <a href=\"https:\/\/www.inrs.fr\/services\/innovation\/evaluation-diagnostic\/mesure-protoxyde-azote.html\" target=\"_blank\" rel=\"noopener\">INRS<\/a>, and are manufactured and marketed by <a href=\"http:\/\/www.antelia.fr\/\" target=\"_blank\" rel=\"noopener\">Antelia<\/a>.<\/p><p>We offer 2 sampling methods for these tubes:<\/p><ul><li><strong>A long passive measurement (between 1h and 4h)<\/strong> according to INRS <a href=\"https:\/\/www.inrs.fr\/publications\/bdd\/metropol\/fiche.html?refINRS=METROPOL_415\" target=\"_blank\" rel=\"noopener\">M\u00e9troPol M-415<\/a> followed by analysis by ATD GC TCD.<\/li><li><strong>A short active measurement (less than 30 minutes)<\/strong> followed by analysis by ATD GC TCD according to INRS <a href=\"https:\/\/www.inrs.fr\/publications\/bdd\/metropol\/fiche.html?refINRS=METROPOL_416\" target=\"_blank\" rel=\"noopener\">M\u00e9troPol M-416<\/a>, too.<\/li><\/ul><p>These 2 measures are recommended by <a href=\"https:\/\/www.anses.fr\/fr\/content\/protoxyde-azote-limiter-exposition-professionnels\" target=\"_blank\" rel=\"noopener\">Anses<\/a> in their above-mentioned collective expertise report as part of the regulatory technical control of the OELV-8H and STEL-15min (Short-Term Limit Value) respectively.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-164f498 e-flex e-con-boxed e-con e-parent\" data-id=\"164f498\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7e625f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a7e625f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ca93809 e-flex e-con-boxed e-con e-parent\" data-id=\"ca93809\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c08faa elementor-widget elementor-widget-text-editor\" data-id=\"8c08faa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Nitrous oxide (N\u2082O) analysis by ATD GC TCD after passive sampling on zeolite tube<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dbf74e6 e-flex e-con-boxed e-con e-parent\" data-id=\"dbf74e6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c565222 e-con-full e-flex e-con e-child\" data-id=\"c565222\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-afb0fd9 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"afb0fd9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"601\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-Port-operateur-tube-Zeolithe-1024x769.jpg\" class=\"attachment-large size-large wp-image-13334\" alt=\"\" srcset=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-Port-operateur-tube-Zeolithe-1024x769.jpg 1024w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-Port-operateur-tube-Zeolithe-300x225.jpg 300w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-Port-operateur-tube-Zeolithe-768x576.jpg 768w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-Port-operateur-tube-Zeolithe-1536x1153.jpg 1536w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-Port-operateur-tube-Zeolithe-600x450.jpg 600w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-Port-operateur-tube-Zeolithe.jpg 1868w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6cecc2 elementor-widget elementor-widget-spacer\" data-id=\"a6cecc2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6eaa5ee e-con-full e-flex e-con e-child\" data-id=\"6eaa5ee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-75c52e5 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"75c52e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-ATD-GC-TCD-1024x768.jpg\" class=\"attachment-large size-large wp-image-13331\" alt=\"\" srcset=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-ATD-GC-TCD-1024x768.jpg 1024w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-ATD-GC-TCD-300x225.jpg 300w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-ATD-GC-TCD-768x576.jpg 768w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-ATD-GC-TCD-1536x1152.jpg 1536w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-ATD-GC-TCD-600x450.jpg 600w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Actu-N2O-ATD-GC-TCD.jpg 1839w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8751e67 e-con-full e-flex e-con e-parent\" data-id=\"8751e67\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-650b3cd e-con-full e-flex e-con e-child\" data-id=\"650b3cd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d3f9132 elementor-widget elementor-widget-text-editor\" data-id=\"d3f9132\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Passive sampling of N\u2082O on zeolite tube<\/em><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-92803ae e-con-full e-flex e-con e-child\" data-id=\"92803ae\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8cb98f elementor-widget elementor-widget-text-editor\" data-id=\"d8cb98f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Analysis of nitrous oxide (N\u2082O) in ATD GC TCD<\/em><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-790f650 e-flex e-con-boxed e-con e-parent\" data-id=\"790f650\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-195c338 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"195c338\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-36f09584 e-con-full e-flex e-con e-parent\" data-id=\"36f09584\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6c366bbc e-flex e-con-boxed e-con e-child\" data-id=\"6c366bbc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33018333 elementor-widget elementor-widget-text-editor\" data-id=\"33018333\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Contact us to find out more about our media supply and analysis services.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5b778dd6 e-flex e-con-boxed e-con e-child\" data-id=\"5b778dd6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6476937f e-flex e-con-boxed e-con e-child\" data-id=\"6476937f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a95212a buton elementor-widget elementor-widget-button\" data-id=\"5a95212a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/tera-environnement.com\/en\/rental\/samplers\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Sampling media <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-230bb815 buton elementor-widget elementor-widget-button\" data-id=\"230bb815\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/tera-environnement.com\/en\/air-analysis\/occupational-exposure\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Air analysis<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1db896f8 e-con-full e-flex e-con e-parent\" data-id=\"1db896f8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-27c86b39 e-flex e-con-boxed e-con e-child\" data-id=\"27c86b39\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3d3c6f8d elementor-widget elementor-widget-text-editor\" data-id=\"3d3c6f8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p align=\"justify\"><strong>Do you have any questions or do you need a quote? Contact us to find out more about our analysis services. <\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1700fffb e-flex e-con-boxed e-con e-child\" data-id=\"1700fffb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-51b7884e e-flex e-con-boxed e-con e-child\" data-id=\"51b7884e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b55c9ef buton elementor-widget elementor-widget-button\" data-id=\"b55c9ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"mailto:commercial@tera-environnement.com%20\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Quote request<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Nitrous oxide (N\u2082O), a gas with major impacts. Why is it essential to measure it? Nitrous oxide (CAS n\u00b0: 10024-97-2) is considered as one of the most dangerous greenhouse gases for the environment, contributing to both stratospheric ozone depletion and global warming. In addition to its alarming role as a greenhouse gas, nitrous oxide, also [&hellip;]<\/p>\n","protected":false},"author":42,"featured_media":13327,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-13496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Measurement of nitrous oxide in air<\/title>\n<meta name=\"description\" content=\"TERA Environnement offers analysis of nitrous oxide (N2O) in air emissions, soil gases and workplace air.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Measurement of nitrous oxide in air\" \/>\n<meta property=\"og:description\" content=\"TERA Environnement offers analysis of nitrous oxide (N2O) in air emissions, soil gases and workplace air.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/\" \/>\n<meta property=\"og:site_name\" content=\"TERA Environnement\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-05T09:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-14T10:10:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Image-annonce-actu-N2O-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1536\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"TERA ENVIRONNEMENT\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TERA ENVIRONNEMENT\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/\"},\"author\":{\"name\":\"TERA ENVIRONNEMENT\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#\\\/schema\\\/person\\\/6df5953bd840ea4693c1d0928a339204\"},\"headline\":\"Measurement of nitrous oxide (N2O) in air\",\"datePublished\":\"2025-02-05T09:30:00+00:00\",\"dateModified\":\"2025-04-14T10:10:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/\"},\"wordCount\":740,\"publisher\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tera-environnement.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Image-annonce-actu-N2O-scaled.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/\",\"url\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/\",\"name\":\"Measurement of nitrous oxide in air\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tera-environnement.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Image-annonce-actu-N2O-scaled.jpg\",\"datePublished\":\"2025-02-05T09:30:00+00:00\",\"dateModified\":\"2025-04-14T10:10:53+00:00\",\"description\":\"TERA Environnement offers analysis of nitrous oxide (N2O) in air emissions, soil gases and workplace air.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/#primaryimage\",\"url\":\"https:\\\/\\\/tera-environnement.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Image-annonce-actu-N2O-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/tera-environnement.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Image-annonce-actu-N2O-scaled.jpg\",\"width\":2048,\"height\":1536},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/measurement-of-nitrous-oxide-n2o-in-air\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/votre-qualite-de-lair-maintenant\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Measurement of nitrous oxide (N2O) in air\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#website\",\"url\":\"https:\\\/\\\/tera-environnement.com\\\/\",\"name\":\"TERA Environnement\",\"description\":\"Une soci\u00e9t\u00e9 du groupe tera\",\"publisher\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/tera-environnement.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#organization\",\"name\":\"TERA Environnement\",\"url\":\"https:\\\/\\\/tera-environnement.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/tera-environnement.com\\\/wp-content\\\/uploads\\\/2023\\\/09\\\/Logotype_Tera_Sensor-seul_couleur-1.jpg\",\"contentUrl\":\"https:\\\/\\\/tera-environnement.com\\\/wp-content\\\/uploads\\\/2023\\\/09\\\/Logotype_Tera_Sensor-seul_couleur-1.jpg\",\"width\":125,\"height\":90,\"caption\":\"TERA Environnement\"},\"image\":{\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/tera-environnement.com\\\/#\\\/schema\\\/person\\\/6df5953bd840ea4693c1d0928a339204\",\"name\":\"TERA ENVIRONNEMENT\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/cbe5a144e518b2e02b7ae0e53c991c510da23d4b1a561106f529b7285e9e9667?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/cbe5a144e518b2e02b7ae0e53c991c510da23d4b1a561106f529b7285e9e9667?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/cbe5a144e518b2e02b7ae0e53c991c510da23d4b1a561106f529b7285e9e9667?s=96&d=mm&r=g\",\"caption\":\"TERA ENVIRONNEMENT\"},\"url\":\"https:\\\/\\\/tera-environnement.com\\\/en\\\/author\\\/tera-environnement\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Measurement of nitrous oxide in air","description":"TERA Environnement offers analysis of nitrous oxide (N2O) in air emissions, soil gases and workplace air.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/","og_locale":"en_US","og_type":"article","og_title":"Measurement of nitrous oxide in air","og_description":"TERA Environnement offers analysis of nitrous oxide (N2O) in air emissions, soil gases and workplace air.","og_url":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/","og_site_name":"TERA Environnement","article_published_time":"2025-02-05T09:30:00+00:00","article_modified_time":"2025-04-14T10:10:53+00:00","og_image":[{"width":2048,"height":1536,"url":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Image-annonce-actu-N2O-scaled.jpg","type":"image\/jpeg"}],"author":"TERA ENVIRONNEMENT","twitter_card":"summary_large_image","twitter_misc":{"Written by":"TERA ENVIRONNEMENT","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/#article","isPartOf":{"@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/"},"author":{"name":"TERA ENVIRONNEMENT","@id":"https:\/\/tera-environnement.com\/#\/schema\/person\/6df5953bd840ea4693c1d0928a339204"},"headline":"Measurement of nitrous oxide (N2O) in air","datePublished":"2025-02-05T09:30:00+00:00","dateModified":"2025-04-14T10:10:53+00:00","mainEntityOfPage":{"@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/"},"wordCount":740,"publisher":{"@id":"https:\/\/tera-environnement.com\/#organization"},"image":{"@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/#primaryimage"},"thumbnailUrl":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Image-annonce-actu-N2O-scaled.jpg","articleSection":["News"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/","url":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/","name":"Measurement of nitrous oxide in air","isPartOf":{"@id":"https:\/\/tera-environnement.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/#primaryimage"},"image":{"@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/#primaryimage"},"thumbnailUrl":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Image-annonce-actu-N2O-scaled.jpg","datePublished":"2025-02-05T09:30:00+00:00","dateModified":"2025-04-14T10:10:53+00:00","description":"TERA Environnement offers analysis of nitrous oxide (N2O) in air emissions, soil gases and workplace air.","breadcrumb":{"@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/#primaryimage","url":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Image-annonce-actu-N2O-scaled.jpg","contentUrl":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/02\/Image-annonce-actu-N2O-scaled.jpg","width":2048,"height":1536},{"@type":"BreadcrumbList","@id":"https:\/\/tera-environnement.com\/en\/measurement-of-nitrous-oxide-n2o-in-air\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/tera-environnement.com\/en\/votre-qualite-de-lair-maintenant\/"},{"@type":"ListItem","position":2,"name":"Measurement of nitrous oxide (N2O) in air"}]},{"@type":"WebSite","@id":"https:\/\/tera-environnement.com\/#website","url":"https:\/\/tera-environnement.com\/","name":"TERA Environnement","description":"Une soci\u00e9t\u00e9 du groupe tera","publisher":{"@id":"https:\/\/tera-environnement.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/tera-environnement.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/tera-environnement.com\/#organization","name":"TERA Environnement","url":"https:\/\/tera-environnement.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/tera-environnement.com\/#\/schema\/logo\/image\/","url":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/09\/Logotype_Tera_Sensor-seul_couleur-1.jpg","contentUrl":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/09\/Logotype_Tera_Sensor-seul_couleur-1.jpg","width":125,"height":90,"caption":"TERA Environnement"},"image":{"@id":"https:\/\/tera-environnement.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/tera-environnement.com\/#\/schema\/person\/6df5953bd840ea4693c1d0928a339204","name":"TERA ENVIRONNEMENT","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/cbe5a144e518b2e02b7ae0e53c991c510da23d4b1a561106f529b7285e9e9667?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/cbe5a144e518b2e02b7ae0e53c991c510da23d4b1a561106f529b7285e9e9667?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/cbe5a144e518b2e02b7ae0e53c991c510da23d4b1a561106f529b7285e9e9667?s=96&d=mm&r=g","caption":"TERA ENVIRONNEMENT"},"url":"https:\/\/tera-environnement.com\/en\/author\/tera-environnement\/"}]}},"_links":{"self":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/posts\/13496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/users\/42"}],"replies":[{"embeddable":true,"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/comments?post=13496"}],"version-history":[{"count":69,"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/posts\/13496\/revisions"}],"predecessor-version":[{"id":13646,"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/posts\/13496\/revisions\/13646"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/media\/13327"}],"wp:attachment":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/media?parent=13496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/categories?post=13496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/tags?post=13496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}