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高效液相色譜法測定水產品中乙酰甲喹殘留量
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作者簡介:宮向紅(1968-),女,研究員,主要研究方向為水產品質量安全。E-mail:ggxxhh123@163.com

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國家海洋公益性行業科研專項(200805031,200905019,201105013);水生動物營養與飼料泰山學者崗位基金


Determination of mequindox residues in aquatic products by high performance liquid chromatography
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    摘要:建立了高效液相色譜法(HPLC)測定水產品中乙酰甲喹含量的方法,用于監測水產品中乙酰甲喹的殘留。樣品采用二氯甲烷-乙酸乙酯混合提取液提取,正己烷凈化,高效液相色譜法定量分析。結果表明,在501 000 µg/L范圍內,線性關系良好。方法定量限為20 µg/kg,在添加濃度20100 µg/kg范圍內,回收率都在70.0 %以上,相對標準偏差在10 %以下。本方法操作簡便快捷,靈敏度高,重復性好,結果可靠,可滿足實驗室大量、快速分析的需求。

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    Abstract: A high performance liquid chromatography (HPLC) method for the determination of Mequindox (MEQ) residues in aquatic products was developed. The samples were extracted by mixed solution of acetonitrile-ethyl acetate. Clean-up was carried out with n-hexane and the analyte was determined by HPLC. The linear relationship between the peak area and concentration was good in the range of 50µg/L -1000µg/L. The limit of quantitation was 20µg/kg. The mean recovery rate was over 70.0% within the range of 20-100µg/kg, and the relative standard deviation rate was less than 10%. The method is simple, fast, sensitive, with good repeatability and reliable results, thus can meet the requirement of mass and fast analysis in the laboratory.

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宮向紅,鄒榮婕,徐英江,等.高效液相色譜法測定水產品中乙酰甲喹殘留量[J].中國漁業質量與標準,2012,2(4):71-75. GONG Xianghong, ZOU Rongjie, et al. Determination of mequindox residues in aquatic products by high performance liquid chromatography[J]. Chinese Fishery Quality and Standards,2012,2(4):71-75.

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