| 气相色谱法测定果蔬中有机氯农药 |
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| 引用本文： | 仲新华,陈静.气相色谱法测定果蔬中有机氯农药[J].干旱环境监测,2010,24(1):9-12. |
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| 作者姓名： | 仲新华 陈静 |
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| 作者单位： | 新疆环境监测总站,新疆,乌鲁木齐,830011 |
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| 摘 要： | 建立了果蔬中8种有机氯农药气相色谱—电子捕获检测器检测方法。样品用丙酮浸泡,石油醚提取,浓硫酸净化,以HP-5毛细管柱作为分离柱,经程序升温分离各组份,以峰面积外标法定量,能有效分离8种有机氯农药,并能消除基质干扰。取样量25 g时,该法在0.00320~0.126 mg/L具有良好的线性,最低检出浓度为六六六0.0025~0.0042μg/kg、DDT 0.0029~0.0069μg/kg。用此方法在全国土壤调查中对新疆区内果蔬进行检测,获得了较为满意的结果。
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| 关 键 词： | 气相色谱法 果蔬 有机氯农药 |
Gas Chromatographic Method for Determination of Organic-chlorine Pesticides Residues in Fruit and Vegetable |
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| ZHONG Xin-hua,CHEN Jing.Gas Chromatographic Method for Determination of Organic-chlorine Pesticides Residues in Fruit and Vegetable[J].Arid Environmental Monitoring,2010,24(1):9-12. |
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| Authors: | ZHONG Xin-hua CHEN Jing |
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| Institution: | Xinjiang Environmental Monitoring Center;Urumqi Xinjiang;830011;China |
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| Abstract: | Gas chromatographic method of 8 kinds of organic-chlorine pesticides in fruit and vegetable were constituted.Samples were dipped in acetone,extracted with petroleum and purified with thick sulfuric acid.HP-5 capillary pole as separate pole,separated every composition by calefactive procedure,quantitative analysis with peak area outer mark,those could effectively separated 8 kinds of organic-chlorine pesticides and eliminated interference.Sample quantity was 25 g,this method had good linear relation concentr... |
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| Keywords: | gas chromatographic method fruit and vegetable organic-chlorine pesticides |
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