实验室标准
ISO 25101-2009 水质.全氟辛烷磺酰基化合物(PFOS)和全氟辛酸铵(PFOA)的测定.使用固相萃取和液相色谱/质谱的未过滤样品用方法
2020-11-24 16:59  浏览:449  下载:52
标准类别 国际标准
标准状态 现行有效  (标准状态仅供参考)
颁发部门 IX-ISO
发布日期 2009-03
实施日期
废止日期
  ISO 25101-2009 水质.全氟辛烷磺酰基化合物(PFOS)和全氟辛酸铵(PFOA)的测定.使用固相萃取和液相色谱/质谱的未过滤样品用方法
  
  WARNING — Persons using this International Standard should be familiar with normal laboratory practice. This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions. importANT — It is absolutely essential that tests conducted in accordance with this International Standard be carried out by suitably qualified staff. This International Standard specifies a method for the determination of the linear isomers of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) in unfiltered samples of drinking water,ground water and surface water (fresh water and sea water) using high-performance liquid chromatographytandem mass spectrometry (HPLC-MS/MS). Other isomers may be reported separately as non-linear isomers and qualified as such. The analytes specified in Table 1 can be determined by this method. The method is applicable to a concentration range of 2,0 ng/l to 10 000 ng/l for PFOS and 10 ng/l to 10 000 ng/l for PFOA. Depending on the matrix, the method may also be applicable to higher concentrations ranging from 100 ng/l to 200 000 ng/l after suitable dilution of the sample or reduction in sample size. The user should be aware that particular problems could require the specification of additional conditions.
 
发表评论
0评