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  • BSI
    19/30356328 DC BS ISO 20596-2. Water quality. Determination of cyclic volatile methylsiloxanes in water - Part 2. Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
    Edition: 2019
    $44.66
    / user per year

Description of 19/30356328 DC 2019

This document specifies a method for the determination of certain cyclic volatile methylsiloxanes (cVMS) in environmental water samples with low density polyethylene (LDPE) as a preservative and subsequent liquid-liquid extraction with a stable isotope solution. The extract is then analysed by gas chromatography-mass spectrometry (GC-MS).

This document is applicable to the measurement of the following cVMS in rivers, streams, ground water, and waste water (influent and effluent):

Table 1
Analytes determined by this method
Analyte Formula Abbreviation CASa -RN
Octamethylcyclotetrasiloxane C8H24O4Si4 D4 556-67-2
Decamethylcyclopentasiloxane C10H30O5Si5 D5 541-02-6
Dodecamethylcyclohexasiloxane C12H36O6Si6 D6 540-97-6
a

CAS-RN Chemical Abstracts Services Registration Number

This method can be used to determine cVMS from 0,050 µg/l to 250 μg/l.



Standard Number19/30356328 DC
TitleBS ISO 20596-2. Water quality. Determination of cyclic volatile methylsiloxanes in water - Part 2. Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
StatusDefinitive
Publication Date2019-06-24
Identical National Standard OfISO/DIS 20596-2
DescriptorsTest specimens, Potable water, Water treatment, Water testing, Quality, Preservation, Containers, Water, Biological analysis and testing, Laboratory testing, Chemical analysis and testing, Samples
ICS13.060.50 Examination of water for chemical substances
CommitteeEH/3/2
PublisherBSI
Pages23

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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