Simultaneous determination of p-arsanilic acid and roxarsone in feed by liquid chromatography-hydride generation online coupled with atomic fluorescence spectrometry

文献类型： 外文期刊

第一作者： Liu, Jianjing

作者： Liu, Jianjing;Yu, Hongxia;Qiu, Jing;Sun, Fengmei;Li, Ping;Yang, Shuming;Song, Haibin

作者机构：

关键词： PLASMA-MASS SPECTROMETRY;PERFORMANCE;SPECIATION;ADDITIVES

期刊名称：JOURNAL OF ENVIRONMENTAL MONITORING （ 影响因子：2.179； 五年影响因子：2.461 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： A novel, simple and sensitive liquid chromatography-hydride generation online coupled with atomic fluorescence spectrometry (LC-HG-AFS) method was developed for simultaneous determination of p-arsanilic acid (p-ASA) and roxarsone in feed. 20% Methanol aqueous was used as extraction reagent, after preprocessing samples by ultrasonic oscillation, then injected into the chromatography Waters symmetry shield(TM) RP18 analytical column (150mm x 4.6mm, 5 mu m), finally detected by an atomic fluorescence spectrometer. The calibration curves of analyses were linear over a range of concentrations (0.2-4mg L-1) and the correlation coefficients were higher than 0.9990. The limits of detection were 0.2 mg L-1. The method has been validated by linearity, precision and recovery. p-ASA and roxarsone in feed can be successfully and simultaneously determined using the developed method without a tedious pretreatment procedure.

分类号： X8

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