用所研制的24位全自动加压溶剂萃取仪(APLE),以丙酮-正己烷(体积比为1:1)为溶剂,在100 ℃和10 MPa条件下,对荞麦样品中残留的7种有机氯农药进行了萃取,并通过气相色谱对萃取液进行定量分析.萃取的绝对回收率为68% ~126% ,相对标准偏差为1.2% ~14.7% ,检测下限为0.051~0.18 ng/g.与索氏提取法对比,相对提取回收率为116% ~148% ,表明萃取收率高于索氏提取法.
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