| 土壤、水和小麦中除草剂氯氟吡氧乙酸残留检测前处理方法 |
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| 引用本文： | 陶翎,伍国林,张睿,陈广,崔静,杨红. 土壤、水和小麦中除草剂氯氟吡氧乙酸残留检测前处理方法[J]. 农药, 2009, 48(2) |
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| 作者姓名： | 陶翎 伍国林 张睿 陈广 崔静 杨红 |
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| 作者单位： | 南京农业大学,理学院,南京,210095 |
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| 摘 要： | 建立了高效液相色谱(HPLC)法测定水、土壤和小麦中除草剂氯氟吡氧乙酸残留量的分析方法.水样直接用LC-18同相萃取小柱分离、净化和富集;采用乙酸乙酯/石油醚(体积比2:1)振荡提取,磺化法净化,测定土壤中氯氟吡氧乙酸残留量;以乙腈/水(体积比4:1)为提取剂,氟罗里硅土固相萃取小柱分离、净化,测定小麦样品中氯氟吡氧乙酸的残留量.结果表明:HPLC法检测氯氟吡氧乙酸的线性范围为0.5～20.0 mg/L,决定系数产r2=0.9997,最低检测质量浓度为0.01 mg/L.水样的加标回收率为91.8%～93.9%,相对标准偏差为0.7%～1.2%;土壤的加标回收率为90.1%～94.1%,相对标准偏差为1.0%～1.9%;小麦的加标回收率为93.5%～94.9%,相对标准偏差为4.2%～5.4%.
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| 关 键 词： | 氯氟吡氧乙酸 残留量 前处理 高效液相色谱法 |
Preparation of Starane Residues Determination in Soil, Water and Wheat |
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| TAO Ling,WU Guo-lin,ZHANG Rui,CHEN Guang,CUI Jing,YANG Hong. Preparation of Starane Residues Determination in Soil, Water and Wheat[J]. Pesticides, 2009, 48(2) |
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| Authors: | TAO Ling WU Guo-lin ZHANG Rui CHEN Guang CUI Jing YANG Hong |
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| Affiliation: | Science of College;Nanjing Agricultural University;Nanjing 210095;China |
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| Abstract: | A method for determination of herbicide starane in water, soil and wheat by high-performance liquid chromatography (HPLC) was developed. Water samples were extracted and purified and collected by solid-phase extraction (SPE) LC-18 column. Soil samples were extracted by ethyl acetate/petroleum ether(2:1, by vol) and purified by sulphonation. Wheat sample was extracted by acetonitrile/water(4:1, by vol) and purified and collected by SPE- Florisil column. The calibration curves of the method were determined in... |
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| Keywords: | starane residues prepreparation HPLC |
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