超高效液相色譜-二極管陣列法測定水產(chǎn)品中環(huán)丙氨嗪殘留量的研究

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Research on the Determination of Cymazine Residues in Aquatic Products by Ultra-High Performance Liquid Chromatography-Diametric Array Method

YAN Yanyang， ZHENG Cheng， CAI Jiaqi， XU Binhui， NI Weijun （Wenzhou Quality and Technology Testing Research Institution，Wenzhou 325oo0， China

Abstract： Using ultra-high performance liquid chromatography-diode array method to detect residual levels of cyclopropazine in aquatic products. The extraction was carried out with a solution of trichloroacetic acidacetonitrile，followed by purification on an MCX solid-phase extraction column and quantitative analysis with an ultra-high performance liquid chromatograph.The results showed that cyromazine had a good linear relationship R?0.999 ）in the concentration range of 0.05μg?mL-1 to 2.00μg?mL-1 . At three spiked levels of 10， 20μg?kg-1 and 100μg?kg-1. ，the average recovery rates were 86.5% to 95.9% ，and the relative standard deviationswere all less than 4% . This technique is characterized by high sensitivity，simplicity of operation，and good repeatability，making it suitable for the determination of cyromazine residues in aquatic products.

Keywords： ultra-high performance liquid chromatography-diode array detection; aquatic products; cyromazine： residues

環(huán)丙氨嗪（Cyromazine）的化學性質(zhì)穩(wěn)定，具有較強的親水性，是一種含氮雜環(huán)類親水性化合物，通過干擾昆蟲的正常生理代謝，抑制昆蟲的生長發(fā)育，從而達到殺滅昆蟲的效果[1-2]。（剩余3851字）