ISO 16000-3:2022

Indoor air — Part 3: Determination of formaldehyde and other carbonyl compounds in indoor and test chamber air — Active sampling method

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This document specifies a determination of formaldehyde (HCHO) and other carbonyl compounds (aldehydes and ketones) in air. The method is specific to formaldehyde but, with modification, at least 12 other aromatic as well as saturated and unsaturated aliphatic carbonyl compounds can be detected and quantified. It is suitable for determination of formaldehyde and other carbonyl compounds in the approximate concentration range 1 µg/m³ to 1 mg/m³. The sampling method gives a time-weighted average (TWA) sample. It can be used for long-term (1 h to 24 h) or short-term (5 min to 60 min) sampling of air for formaldehyde.

This document specifies a sampling and analysis procedure for formaldehyde and other carbonyl compounds that involves collection from air on to adsorbent cartridges coated with 2,4-dinitrophenylhydrazine (DNPH) and subsequent analysis of the hydrazones formed by high performance liquid chromatography (HPLC) with detection by ultraviolet absorption^[12],[16]. The method is not suitable for longer chained or unsaturated carbonyl compounds.

General Information

Status : Published

Standard Type: Main

Document No: ISO 16000-3:2022

Document Year: 2022

Pages: 27

Edition: 3

Section Volume:
ISO/TC 146/SC 6. Indoor air

ICS:
13.040.20 Ambient atmospheres

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