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当前位置: 首页 > 文章 > 固相萃取-气相色谱法测定油料和植物油中草除灵 现代农药 2018 (2) 45-47+53
Position: Home > Articles > Determination of Benazolin-ethyl Residues in Oilseed and Oil by Solid Phase Extraction-Gas Chromatography Modern Agrochemicals 2018 (2) 45-47+53

固相萃取-气相色谱法测定油料和植物油中草除灵

作  者：
韦丹青;胡永健;杨亚琴;刘进玺;王会锋;冯书惠;曹秀;钟红舰
单  位：
河南省农业科学院农业质量标准与检测技术研究所
关键词：
草除灵;油料;植物油;固相萃取;气相色谱
摘  要：
建立了固相萃取-气相色谱法测定油料和植物油中草除灵残留量。油料和植物油中草除灵残留分别经乙腈、正己烷饱和乙腈溶液提取,弗罗里硅土固相萃取柱净化,气相色谱-电子捕获检测器检测,外标法定量。结果表明,在0.001~0.10 mg/L范围内,草除灵的峰面积与质量浓度呈良好的线性关系,相关系数为0.999 4。草除灵在2种不同基质中的平均回收率为74.4%~110.9%,相对标准偏差为3.1%~6.8%,方法的定量限为0.05 mg/kg。本方法为油料和植物油中草除灵残留量的有效检测方法。
译  名：
Determination of Benazolin-ethyl Residues in Oilseed and Oil by Solid Phase Extraction-Gas Chromatography
作  者：
WEI Dan-qing;HU Yong-jian;YANG Ya-qin;LIU Jin-xi;WANG Hui-feng;FENG Shu-hui;CAO Xiu;ZHONG Hong-jian;Institute of Agricultural Quality Standards and Testing Technology,Henan Academy of Agricultural Sciences;
关键词：
benazolin-ethyl;;oilseed;;oil;;solid phase extraction;;gas chromatography
摘  要：
A method was developed by solid phase extraction-gas chromatography for determination of benazolin-ethyl in oilseed and oil. The analytes were extracted with acetonitrile, acetonitrile/n-hexane saturated solution, cleaned up on Florisil SPE column, then analyzed by GC-ECD. The results demonstrated that the calibration curve was linear with the correlation coefficient of 0. 999 4. The average recoveries of benazolin-ethyl in two matrixes were 74.4%-110.9%, and the relative standard deviations were 3.1%-6.8%. The limit of quantification(LOQ) of the method was 0.05 mg/kg. This method was suitable and effective for the determination of benazolin-ethyl residues in oilseed and oil.

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