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首页> 外文期刊>Journal of chromatography, A: Including electrophoresis and other separation methods >A sublimate sorbent for stir-bar sorptive extraction of aqueous endocrine disruptor pesticides for gas chromatography-electron capture detection
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A sublimate sorbent for stir-bar sorptive extraction of aqueous endocrine disruptor pesticides for gas chromatography-electron capture detection

机译：用于气相色谱 - 电子捕获检测的搅拌棒型搅拌杆吸附萃取的升华的吸附剂 - 电子捕获检测

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摘要

A dumbbell-shaped magnetic stir-bar with sublimate sorbent was prepared for the stir bar sorptive extraction (SBSE) of pesticides in an aqueous sample prior to gas chromatography-micro-electron capture detection (GC-mu ECD). Cyclododecane (CDD) was coated onto a magnetic stir-bar surface as a sublimate sorbent, and steel balls were placed on both ends to form a dumbbell-shaped magnetic stir-bar for SBSE. Four EDC pesticides including chlorpyrifos, ethion, bromopropylate, and lambda-cyhalothrin in aqueous samples were selected as model species to examine the proposed SBSE and the following desorption.
机译：在气相色谱 - 微电子捕获检测（GC-MU ECD）之前，为含水样品中的搅拌棒吸附萃取（SBSE）制备具有升华吸附剂的哑铃形磁力搅拌棒。 将环己烷烷（CDD）涂覆在磁力搅拌棒表面上，作为升华的吸附剂，钢球置于两端，以形成用于SBSE的哑铃形磁力搅拌棒。 选择含有紫外线，乙醇，溴丙酯和λ-Cyhalothrin的四种EDC杀虫剂，作为含水样品中的模型物种，以检查所提出的SBSE和以下解吸。

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