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  • BSI
    BS ISO 17734-2:2013 Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry - Amines and aminoisocyanates using dibutylamine and ethyl chloroformate derivatives
    Edition: 2013
    $442.60
    / user per year

Description of BS ISO 17734-2:2013 2013

This part of ISO 17734 gives general guidance for the sampling and analysis of airborne amines and aminoisocyanates in workplace air. It is strongly recommended that the determination of amines and aminoisocyanates is made together with the determination of isocyanates in air, using DBA as a reagent (see ISO 17734-1).

The method can be used for simultaneous determinations of amines, such as 4,4'-methylenediphenyldiamine (4,4'-MDA), 2,4- and 2,6-toluenediamine (2,4- and 2,6-TDA), and 1,6-hexamethylenediamine (1,6-HDA), and compounds containing both isocyanate and amine groups, such as 4,4'-methylenediphenyl aminoisocyanate (4,4'-MAI), 2,4-, 4,2-, and 2,6-toluene aminoisocyanate (2,4-, 4,2-, and 2,6-TAI), and 1,6-hexamethylene aminoisocyanate (1,6-HAI). The method is suitable for collecting amines and aminoisocyanates in both the gas and particle phases. The instrumental detection limit for the amines is about 5 nmol/sample and for the aminoisocyanate, it is about 0,3 nmol/sample. For a 15 l air sample, this corresponds to 0,4 ng⋅m–3 for TDA and 0,03 ng⋅m–3 for TAI.



Standard NumberBS ISO 17734-2:2013
TitleDetermination of organonitrogen compounds in air using liquid chromatography and mass spectrometry - Amines and aminoisocyanates using dibutylamine and ethyl chloroformate derivatives
StatusUnder Review
Publication Date2013-12-31
ReplacesBS ISO 17734-2:2006
Identical National Standard OfISO 17734-2:2013
DescriptorsLiquid chromatography, Environment (working), Amines (aliphatic), Degradation, Aliphatic nitrogen compounds, Mass spectrometry, Butyl compounds, Determination of content, Occupational safety, Gas analysis, Air, Isocyanates
ICS13.040.30 Workplace atmospheres
CommitteeEH/2/2
ISBN978 0 580 77428 7
PublisherBSI
Pages40

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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