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脉冲火焰光度检测器分析水中有机磷农药

Keywords: PFPD,气相色谱,有机磷农药,固相萃取,活性碳纤维

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Abstract:

介绍一种新的有机磷农药GC分析检测器PFPD,考查了积分时间、柱流速、进样溶剂对GC/PFPD测定的影响。结果表明,在注入量0.04~2000ng范围内,注入量与GC响应间呈良好的线性关系,最低检出量为甲基对硫磷和对硫磷0.01ng,乐果和敌敌畏0.02ng。GC/PFPD结合固相萃取技术可满足环境水样中微量有机磷农药残留的分析要求。

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