标准编号：ISO/TS 13896:2012
中文名称：土壤质量 直链烷基苯磺酸盐（LAS）的测定 采用带荧光探测和质量选择探测的高性能液相色谱法
英文名称：Soil quality — Determination of linear alkylbenzene sulfonate (LAS) — Method by HPLC with fluorescence detection (LC-FLD) and mass selective detection (LC-MSD)
发布日期：2012-09
标准范围
This Technical Specification specifies a method for the determination of linear alkylbenzene sulfonate (LAS) in slugde, treated biowaste and soil using high-performance liquid chromatography (HPLC) with a fluorescence detector (FLD) or a mass selective detector (MSD).This Technical Specification specifies the determination of the sum of LAS. Under the conditions specified in this Technical Specification, typically a limit of detection of 20 mg/kg (expressed as dry matter) for sludge and of 0,2 mg/kg to 0,5 mg/kg for soil and treated biowaste may be achieved.Lower limits of detection may be achieved by concentrating the extract by solvent evaporation.NOTE The single LAS homologues C(10) to C(14) can be determined by this Technical Specification.
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