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ISO DIS 18635

2014 Edition, October 30, 2014

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WATER QUALITY - DETERMINATION OF SHORT-CHAIN POLYCHLORINATED ALKANES (SCCPS) IN SEDIMENT AND SUSPENDED (PARTICULATE) MATTER - METHOD USING GAS CHROMATOGRAPHY-MASS SPECTROMETRY (GC-MS) AND NEGATIVE-ION CHEMICAL IONIZATION (NCI)



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Superseded By: ISO FDIS 18635

Additional Comments:
NOW A FINAL DRAFT * SEE ISO FDIS 18635
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Description / Abstract:

This International Standard specifies a method for the quantitative determination of the sum of short-chain polychlorinated n-alkanes also known as short-chain polychlorinated paraffins (SCCPs) in the carbon bond range n-C10 to n-C13 inclusive, in mixtures with chlorine mass fractions ("contents") between 50 % and 67 %, including approximately 6 000 of approximately 8 000 congeners.

This method is applicable to the determination of the sum of SCCPs in sediment and suspended (particulate) matter, activated sewage sludge and soil using gas chromatography-mass spectrometry with electron capture negative ionization (GC-ECNI-MS).

Depending on matrix and the detection capabilities of the GC-ECNI-MS the method can be applied to samples containing e.g. 0,03 μg/g to 3 μg/g sum of SCCPs.
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