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蔬菜中残留毒死蜱的检测方法 被引量:9

Determination of Chlorpyrifos Residues in Vegetables
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摘要 通过对5种蔬菜中添加毒死蜱标样的回收率试验,研究蔬菜毒死蜱监测方法中震荡提取时间、淋洗液配比、层析硅胶用量、淋洗液选择时间等关键步骤的最佳定量组合。结果表明提取时间为30min,淋洗液用单一的丙酮,层析柱中填充1g硅胶,淋洗过程中取6min以后的过柱淋洗液做色谱分析,既可大量清除蔬菜中含有的对色谱峰的干扰因素,同时也保证回收率达到90%~120%之间,得到较好的效果。 A method for determination of chlorpyrifos in vegetables was extablished by recovery experiment. The results indicated that, oscillation the samples 30 min, using single acetone as the eluent, filling lg silica gel in the chromatographical columniation and taking the leaching liquor after 6 minutes can remove the factors that interfering the chromatogaphic peac as well as insure a preferable recovery of 90%~120%o
出处 《中国农学通报》 CSCD 2007年第12期338-340,共3页 Chinese Agricultural Science Bulletin
基金 中国热带农业科学院科技基金"UV-B辐射对有机磷农药在两种热带蔬菜中降解的影响及代谢产物的生化研究"(rky0415) 中国热带农业科学院博士启动基金"快速降解有机磷农药的蔬菜品种筛选及其降解的调控研究"。
关键词 农药残留 毒死蜱 蔬菜 Pesticide residue, Chlorpyrifos, Vegetables
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