Determination of 115 Pesticide Residues in Textiles by Liquid Chromatography–Tandem Mass Spectrometry

IF 1.8 3区 化学 Q4 BIOCHEMICAL RESEARCH METHODS
Ying Li, Xiwen Ye, Xin Luo, Wenxuan Zhu, Zhixu Tang, Zengyuan Niu
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Abstract

The presence of pesticide residues in textiles poses a risk to human health. We established a robust and high-throughput liquid chromatography–tandem mass spectrometry method for the determination of 115 pesticide residues in textiles. In this study, we evaluated high-performance liquid chromatography–tandem mass spectrometry conditions and sample extraction methods, including separation performance of different columns, mass conditions, extraction solvent, and extraction time. Finally, we established the method as follows: After ultrasonic extraction with methanol, we blew the sample with nitrogen to dry and then took it to a fixed volume by a specific solvent. We used a C18 reversed-phase chromatographic column and detected the samples in the multiple reaction monitoring mass mode. And we verify the limit of detection (LOD), limit of quantitation (LOQ), linearity, recovery, and precision. The LOD and LOQ of the method was 10 and 20 μg/kg separately; the recoveries ranged from 71.3% to 118.4%; and the relative standard deviation was 0.2%–19.9%. We verified the applicability of the developed protocol through the analysis of 21 real textile products.

纺织品中的农药残留对人类健康构成风险。我们建立了一种稳健、高通量的液相色谱-串联质谱法,用于测定纺织品中的 115 种农药残留。在这项研究中,我们评估了高效液相色谱-串联质谱条件和样品提取方法,包括不同色谱柱的分离性能、质量条件、提取溶剂和提取时间。最后,我们确定了如下方法:用甲醇超声提取后,用氮气吹干样品,然后用特定的溶剂提取到固定体积。使用 C18 反相色谱柱,在多反应监测质量模式下检测样品。并对检测限(LOD)、定量限(LOQ)、线性度、回收率和精密度进行了验证。方法的检出限(LOD)和定量限(LOQ)分别为10和20 μg/kg;回收率为71.3%~118.4%;相对标准偏差为0.2%~19.9%。我们通过对 21 种真实纺织品的分析验证了所开发方案的适用性。
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来源期刊
CiteScore
4.10
自引率
5.00%
发文量
219
审稿时长
2.6 months
期刊介绍: Rapid Communications in Mass Spectrometry is a journal whose aim is the rapid publication of original research results and ideas on all aspects of the science of gas-phase ions; it covers all the associated scientific disciplines. There is no formal limit on paper length ("rapid" is not synonymous with "brief"), but papers should be of a length that is commensurate with the importance and complexity of the results being reported. Contributions may be theoretical or practical in nature; they may deal with methods, techniques and applications, or with the interpretation of results; they may cover any area in science that depends directly on measurements made upon gaseous ions or that is associated with such measurements.
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