REN Hong-bo,ZHANG Xiao-bo,et al.The Residue Dynamics in Soybean Soil of Chlorimuron-ethyl[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(03):112-114.[doi:10.11942/j.issn1002-2767.2008.03.0112]
豆磺隆在大豆田土壤中的残留动态
- Title:
- The Residue Dynamics in Soybean Soil of Chlorimuron-ethyl
- 文章编号:
- 1002-2767(2008)03-0112-03
- Keywords:
- Chlorimuron -ethyl ; residue ; GC-MS
- 分类号:
- S481 +.8
- 文献标志码:
- A
- 摘要:
- 采用气相色谱-质谱法测定豆磺隆在土壤中的残留动态, 样品经0 .2 mol·L -1NaHCO3 溶液:甲醇(体积比为1 ∶1)提取, 二氯甲烷净化, 调整pH 后经盐酸水解再由二氯甲烷萃取, 浓缩后经气相色谱质谱联用仪测定。结果表明, 回收率、精密度和检出限均符合残留分析的要求。
- Abstract:
- A GC-MS method fo r the residue dynamics in soy bean soil of Chlo rimuro n-ethy l had been established .Samples w ere ex trac ted by 0.2 mo l·L -1NaHCO3 :methanol(v :v =1 ∶1), cleaned by dichloromethane , the n adjustedthe pH of the solution and ex tracted by dichlor omethane , finally after co ncentra ted , the samples wer e detected by GC-MS .The recove ry , precisions and accur acies w ere all meet the requirements o f de te rminatio n.
参考文献/References:
[ 1] 李治祥.农药的发展及其对环境的影响[ J] .国外农业环境保护, 1987 , 30(3):5-8 .
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备注/Memo
第一作者简介:任红波(1976-), 女, 吉林延边人, 学士, 助理研究员, 主要从事农产品质量安全检验。Tel:0451 -86617148 ;E -m ail:d hdst rhb @t om .com 。