Reference number
ISO 20596-1:2018
© ISO 2024
International Standard
ISO 20596-1:2018
Water quality — Determination of cyclic volatile methylsiloxanes in water — Part 1: Method using purge and trap with gas chromatography-mass spectrometry (GC-MS)
Edition 1
2018-06
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Indisponible en français
Publiée (Edition 1, 2018)

ISO 20596-1:2018

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Format
CHF 129
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Résumé

This document specifies a method for the quantitative determination of selected cyclic volatile methylsiloxanes (cVMS) in non-filtered water samples by purge and trap extraction with isotope dilution gas chromatography-mass spectrometry (GC-MS).

This method is applicable to the determination of individual cVMS, including:

— octamethylcyclotetrasiloxane (D4);

— decamethylcyclopentasiloxane (D5);

— dodecamethylcyclohexasiloxane (D6);

in surface water, ground water, and wastewater. It can be applied to samples within the concentration range of 0,01 µg/l to 1 µg/l of each of the target compounds. Depending on the matrix, the method may also be applicable to higher concentrations ranging from 1 µg/l to 100 µg/l after suitable dilution of the sample or reduction in sample size.

Informations générales

  • État actuel
     : Publiée
    Date de publication
     : 2018-06
    Stade
    : Clôture de l'examen [90.60]
  • Edition
     : 1
  • Comité technique :
    ISO/TC 147/SC 2
    ICS :
    13.060.50 
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