Analysis of triazine herbicides in fish and seafood using a modified QuEChERS method followed by UHPLC-MS/MS
文献类型： 外文期刊
作者： Peng, Jie 1 ; Gan, Jinhua 1 ; Ju, Xiaoqian 1 ; Liu, Ting 1 ; Chen, Jianwu 1 ; He, Li 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Fishery Qual Supervis & Testing Ctr, Yangtze River Fisheries Res Inst,Minist Agr & Rur, Fishery Prod Qual Safety Risk Assessment Lab Wuha, Wuhan 430223, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Control Qual & Safety Aquat Prod, Beijing 100141, Peoples R China
关键词： Triazine herbicides; Multi-residue analysis; Fish and seafood; UHPLC-MS; MS
期刊名称：JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES （ 影响因子：3.004； 五年影响因子：2.841 ）
ISSN： 1570-0232
年卷期： 2021 年 1171 卷
页码：
收录情况： SCI
摘要： A widely applicable method was established and validated for the qualitative and quantitative analysis of twentysix triazine herbicides in multiple fish and seafood using ultra-high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). New convenient sample preparation approach based on modified QuEChERs was proposed by adding EMR-lipid to the traditional QuEChERS purification agents. Good separation was obtained after gradient elution through a C18 column. Target compounds were detected with electrospray ionization in positive ion mode and quantified in selective reaction monitoring (SRM) mode. Under this effective method, satisfactory results of linearity, sensitivity, accuracy, precision and matrix effect were achieved. Good linearities of the calibration curves yielded the correlation coefficients higher than 0.996 for all herbicides. The LOQs of 26 triazine herbicides ranged from 0.5 to 1.0 ng g-1. Good accuracy and precision were shown with the recoveries at the concentration of 1.0, 5.0 and 20.0 ng g-1 from 70.1% to 111.7% and the precisions of intra- and inter-day less than 12%. The matrix effects (-21.8?27.6%) were almost negligible. Finally the method was applied to the analysis of 72 crayfish samples from breeding bases of Hubei and Hunan provinces (China).
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