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 发布历史

1   Scope 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.

BS ISO 20596-1:2018由英国标准学会 GB-BSI 发布于 2018-06-30，并于 2018-06-30 实施。

BS ISO 20596-1:2018在国际标准分类中归属于: 13.060.50 水的化学物质检验。

BS ISO 20596-1:2018的历代版本如下：

• 2018年 BS ISO 20596-1:2018

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标准号

BS ISO 20596-1:2018

发布

2018年

发布单位

英国标准学会

当前最新

BS ISO 20596-1:2018

 

 

适用范围

1   Scope 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.

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