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Residue Dynamics of Trifloxysulfuron Sodium in Sugarcane and Soil
Author(s): 
Pages: 265-266,270
Year: Issue:  10
Journal: XIANDAI NONGYE KEJI

Keyword:  三氟啶磺隆钠盐甘蔗土壤残留动态;
Abstract: 采用高效液相色谱(HPLC)测定了三氟啶磺隆钠盐在甘蔗及土壤中的消解动态和最终残留.样品用甲醇提取,二氟甲烷萃取,弗罗里硅土柱净化,高效液相色谱仪检测定量.结果表明:该方法回收率为81.12%~96.20%;变异系数为2.39%~5.86%.仪器最小检出量为0.4ng,最小检出浓度:甘汁和甘叶为0.025mg/kg,土壤为0.0125mg/kg.三氟啶磺隆钠盐在甘蔗叶和土壤中消解较快,其半衰期分别...
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