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Analytical method for detecting PCB derivatives at low levels in surface water samples by solid phase extraction-liquid chromotography/mass spectrometry.

机译：固相萃取-液相色谱/质谱法分析地表水中低含量PCB衍生物的分析方法。

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摘要

Polychlorinated biphenyls (PCBs) and their metabolic derivatives are ubiquitous environmental contaminants. These compounds are of concern because of their persistence and bioaccumulation in nature. PCBs and the hydroxylated metabolites have shown endocrine-disrupting activity. A method of detection in surface water samples is important to identify and quantify the environmental contamination. In this research we have attempted to develop a method of detection. Six representative polychloromethoxybiphenyls (PCMBs) were prepared. The corresponding polychlorobiphenylols, hydroxylated PCB metabolites (OH-PCBs), were prepared from the PCMBs. A method coupling solid phase extraction with liquid chromatography, online electrospray ionization, and mass spectrometry (SPE-LC/ESI/MS) was developed for detection of the OH-PCBs in distilled and surface water samples.

机译：多氯联苯（PCB）及其代谢衍生物是普遍存在的环境污染物。这些化合物由于其持久性和生物蓄积性而备受关注。多氯联苯和羟基化代谢物已显示出破坏内分泌的活性。检测地表水样品的方法对于识别和量化环境污染很重要。在这项研究中，我们尝试开发一种检测方法。制备了六个代表性的聚氯甲氧基联苯（PCMB）。从PCMBs制备了相应的聚氯联苯酚，羟基化PCB代谢物（OH-PCBs）。开发了一种将固相萃取与液相色谱，在线电喷雾电离和质谱（SPE-LC / ESI / MS）结合的方法，用于检测蒸馏水和地表水中的OH-PCBs。

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作者
Alford, Shannon Recca.;
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作者单位

Mississippi State University.;

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授予单位 Mississippi State University.;
学科 Chemistry Analytical.; Chemistry Organic.
学位 M.S.
年度 2005
页码 117 p.
总页数 117
原文格式 PDF
正文语种 eng
中图分类化学;有机化学;
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Analytical method for detecting PCB derivatives at low levels in surface water samples by solid phase extraction-liquid chromotography/mass spectrometry.

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