| 壬基酚聚氧乙烯醚及其降解产物壬基酚在香蕉和土壤中的消解动态及风险评估 |
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| 引用本文： | 吕岱竹,林勇,李建国,罗金辉.壬基酚聚氧乙烯醚及其降解产物壬基酚在香蕉和土壤中的消解动态及风险评估[J].农药学学报,2011,13(6):627-631. |
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| 作者姓名： | 吕岱竹 林勇 李建国 罗金辉 |
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| 作者单位： | 1.中国热带农业科学院 环境与植物保护研究所,海南 儋州 571737 |
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| 基金项目： | 中央公益性科研院所基本业务费(2009hzs1J034). |
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| 摘 要： | 为评价农药助剂壬基酚聚氧乙烯醚(NPnEO)在香蕉上使用的安全性,于2009-2010年在海南采用田间试验和超高效液相色谱-荧光分析方法研究了NPnEO及其降解产物壬基酚(NP)在香蕉及土壤中的消解动态和最终残留。结果表明:NPnEO在香蕉及土壤中的消解规律符合一级动力学模型,其半衰期分别为8.8~12 d和6.9~8.5 d,而其降解产物NP在香蕉和土壤中的半衰期分别为16~18 d和24~26 d。在香蕉收获期,NPnEO及NP在香蕉中的残留量均低于0.01 mg/kg。通过计算得出每人每天从香蕉中所摄入的NP仅为0.09 μg,风险商值(RQ)为0.003,处于安全水平。
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| 关 键 词： | 壬基酚聚氧乙烯醚 壬基酚 消解动态 香蕉 土壤 |
| 收稿时间： | 4/1/2011 12:00:00 AM |
| 修稿时间： | 2011/8/13 0:00:00 |
Residue decline study and risk assessment of nonylphenol ethoxylates and its metabolites nonylphenol in banana and soil |
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| L Dai-zhu,LIN Yong,LI Jian-guo,LUO Jin-hui.Residue decline study and risk assessment of nonylphenol ethoxylates and its metabolites nonylphenol in banana and soil[J].Chinese Journal of Pesticide Science,2011,13(6):627-631. |
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| Authors: | L Dai-zhu LIN Yong LI Jian-guo LUO Jin-hui |
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| Institution: | 1.Environment and Plant Protection Research Institute, CATAS, Danzhou 571737, Hainan Province, China2.Analysis and Testing Center, Academy of Tropic Agriculture Science, Haikou 571101, China |
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| Abstract: | Aimed to evaluate the safety and regular use of nonylphenol ethoxylates(NPnEO),residue decline study of NPnEO and its metabolites nonylphenol(NP)in banana and soil were investigated and the samples were analyzed by UPLC-FD in 2009-2010.The decline curves of NPnEO in banana and soil accorded the first-order kinetics.The half-life of NPnEO turns to be 8.8-12 d in banana and 6.9-8.5 d in soil,its metabolites NP turns to be 16-18 d in banana and 24-26 d in soil.During the harvest period of the banana,the residu... |
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| Keywords: | nonylphenol ethoxylates nonylphenol decline study banana soil |
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