| 不同清洗液对小白菜甲霜灵和苯醚甲环唑的去除效果 |
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| 引用本文： | 管文辰,王新全,章虎,徐浩,王祥云,王鸣华,王强. 不同清洗液对小白菜甲霜灵和苯醚甲环唑的去除效果[J]. 浙江农业学报, 2014, 26(2): 0 |
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| 作者姓名： | 管文辰 王新全 章虎 徐浩 王祥云 王鸣华 王强 |
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| 作者单位： | 1.南京农业大学 植物保护学院，江苏 南京 210095；2. 浙江省农业科学院 农产品质量标准研究所 农业部农药残留检测重点实验室，浙江 杭州 310021 |
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| 基金项目： | 国家863课题(2011AA100806) |
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| 摘 要： | 采用气相色谱串联质谱法，测定了不同清洗液对小白菜中苯醚甲环唑和甲霜灵的去除率。结果表明，自来水、氯化钠溶液、碳酸氢钠溶液、醋酸溶液和洗洁精溶液对这两种农药均有不同程度的去除效果，去除率从高至低依次为洗洁精溶液>氯化钠溶液>碳酸氢钠溶液>自来水>醋酸溶液。清洗过程中，随着氯化钠浓度的增加，其溶液对两种农药的去除率显著提高。此外，上述5种清洗液对苯醚甲环唑的去除效果均优于甲霜灵，但去除率的高低与这两种农药的水溶性无关。
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| 关 键 词： | 甲霜灵 苯醚甲环唑 农药残留 |
Removal efficiency of metalaxyl and difenoconazole in pakchoi cabbage by different washing solutions |
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| GUAN Wen chen,WANG Xin quan,ZHANG Hu,XU Hao,WANG Xiang yun,WANG Ming hua,WANG Qiang. Removal efficiency of metalaxyl and difenoconazole in pakchoi cabbage by different washing solutions[J]. Acta Agriculturae Zhejiangensis, 2014, 26(2): 0 |
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| Authors: | GUAN Wen chen WANG Xin quan ZHANG Hu XU Hao WANG Xiang yun WANG Ming hua WANG Qiang |
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| Affiliation: | 1 College of Plant Protection， Nanjing Agricultural University， Nanjing 210095, China;2 MOA Key Lab for Pesticide Residue Detection， Institute of Quality Standards for Agro products， Zhejiang Academy of Agricultural Sciences，Hangzhou 310021, China |
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| Abstract: | The effects of washing solutions on the elimination of residues of metalaxyl and difenoconazole in pakchoi cabbage were determined by GC MS/MS. The results indicated that solutions including tap water， NaCl， NaHCO3， acetic acid and detergent solution played different roles in the reduction of pesticide residues. The removal efficiency decreased in the order of detergent solution > NaCl solution > NaHCO3 solution > tap water > acetic acid. The removal efficiency of the 2 pesticides increased with the increasing concentration of NaCl in solution. In general， the removal efficiency of difenoconazole was higher in all the washing solutions than that of metalaxyl， which indicated that the removal efficiency of these 2 pesticides was not correlated with their water solubility． |
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| Keywords: | metalaxyl difenoconazole pesticide residues |
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