气相色谱法测定土壤和沉积物中12种有机磷农药

被引:10
作者
陈蓓蓓
刘鸣
吴诗剑
机构
[1] 上海市环境监测中心
关键词
有机磷农药; 土壤和沉积物; 气相色谱; 固相萃取小柱净化;
D O I
10.19316/j.issn.1002-6002.2013.06.026
中图分类号
X833 [土壤监测]; O657.71 [];
学科分类号
083001 [环境科学];
摘要
建立了索氏提取-固相萃取(SPE)小柱净化-GC-NPD测定土壤和沉积物中的12种有机磷农药的方法。用正己烷-丙酮(9:1)进行索氏提取,SPE硅胶小柱净化,15 mL乙酸乙酯洗脱。适用于土壤和沉积物的干样和湿样中12种有机磷农药的测定,取样量为10 g时,方法检出限为0.304~1.469μg/kg,样品加标平均回收率为67.10%109.8%,相对标准偏差为3.39%14.7%。
引用
收藏
页码:134 / 138
页数:5
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