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现行 ISO 18635:2016
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Water quality — Determination of short-chain polychlorinated alkanes (SCCPs) in sediment, sewage sludge and suspended (particulate) matter — Method using gas chromatography-mass spectrometry (GC-MS) and electron capture negative ionization (ECNI) 水质 - 沉淀物 污水污泥和悬浮(颗粒)物质中短链多氯代烷烃(Sccps)的测定 - 气相色谱 - 质谱(Gc-Ms)和电子捕获阴离子(Ecni)
发布日期: 2016-04-05
ISO 18635:2016规定了一种定量测定碳键范围n-C10至n-C13的短链多氯代正构烷烃(也称为短链多氯链烷烃(SCCP))的总和的方法,包括氯质量分数(“含量”)在50%至67%之间的混合物中,包括约8,000种同系物中的约6,000种。 该方法适用于使用电子捕获负电离气相色谱-质谱法(GC-ECNI-MS)测定沉积物和悬浮(颗粒)物质、污水污泥和土壤中短链氯化石蜡的总量。 根据基质和GC-ECNI-MS的检测能力,该方法可应用于含有例如0.03 μ g/g至3 μ g/g总短链氯化石蜡的样品。
ISO 18635:2016 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, 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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归口单位: ISO/TC 147/SC 2
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