Determination of metrafenone in bitter gourd and soil by GC with ECD

文献类型： 外文期刊

第一作者： Wang, Siwei

作者： Wang, Siwei;Liu, Yanping;Sun, Haibin

作者机构：

关键词： Bitter gourd;Soil;Metrafenone;Residue;Gas chromatography

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： A method for determination of metrafenone residues in bitter gourd and soil was developed. All samples were extracted with ethyl acetate, purified with the glass column of florisil and NH2-SPE column, analyzed by gas chromatography with electronic capture detector (GC-ECD). The results showed that it had good linearity in the range of 0.01-2 mg/L and the correlation coefficient (r) was 0.9999. The average recoveries of metrafenone in bitter gourd and soil were 83.51-91.75% and 84.76-91.72% with the relative standard deviation of 3.48-9.18% and 4.23-7.25%, respectively. The limit of detection was estimated to be 0.005 mg/kg, the minimum concentration of detection in bitter gourd and soil was 1 x 10(-2) mg/kg. (C) 2015 Elsevier Ltd. All rights reserved.

分类号： TS2`TS201.2

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