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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.060 Water quality>13.060.50 Examination of water for chemical substances>BS ISO 20596-1:2018 Water quality. Determination of cyclic volatile methylsiloxanes in water Method using purge and trap with gas chromatography-mass spectrometry (GC-MS)
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immediate downloadReleased: 2018-06-13
BS ISO 20596-1:2018 Water quality. Determination of cyclic volatile methylsiloxanes in water Method using purge and trap with gas chromatography-mass spectrometry (GC-MS)

BS ISO 20596-1:2018

Water quality. Determination of cyclic volatile methylsiloxanes in water Method using purge and trap with gas chromatography-mass spectrometry (GC-MS)

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Standard number:BS ISO 20596-1:2018
Pages:30
Released:2018-06-13
ISBN:978 0 580 96058 1
Status:Standard
DESCRIPTION

BS ISO 20596-1:2018


This standard BS ISO 20596-1:2018 Water quality. Determination of cyclic volatile methylsiloxanes in water is classified in these ICS categories:
  • 13.060.50 Examination of water for chemical substances

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.