Accurate analysis of trace pentachlorophenol in textiles by isotope dilution liquid chromatography-mass spectrometry

被引：7
|
作者：
Su, Fuhai [1 ]
Zhang, Pan [1 ,2 ]
机构：
[1] Natl Inst Metrol China, Div Chem Metrol & Analyt Sci, Beijing 100013, Peoples R China
[2] Beijing Univ Chem Technol, Coll Life Sci & Technol, Beijing, Peoples R China
来源：
JOURNAL OF SEPARATION SCIENCE | 2011年 / 34卷 / 05期
关键词：
Isotope dilution; Liquid chromatography-mass spectrometry; Pentachlorophenol; Textile samples; SOLID-PHASE MICROEXTRACTION; CHLOROPHENOLS; EXTRACTION; PHENOLS; WATER;
D O I：
10.1002/jssc.201000476
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A highly accurate method for measuring pentachlorophenol (PCP) concentrations in textile samples was developed. This highly accurate method for the analysis of textile samples is valuable, given the inherent challenges associated with the complexity of the sample matrix. This method can be applied to certify the concentration of pentachlorophenol in textile CRMs. A measurement procedure based on isotope dilution liquid chromatography-isotope dilution mass spectrometry (LC-IDMS) was developed. Samples were pretreated with acid and then with n-hexane. Excellent precision was obtained. The validated concentration ranges for the method were 1.0-50 ng/g, the LOD was 1.0 ng/g, and the LOQ was 5.0 ng/g. The precision of this method is in the range of 0.80-1.40%. The method can trace to mass.
引用
收藏
页码：495 / 499
页数：5
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