Methods Chlorpyrifos was determined by GC-FPD after extraction by dichloromethane. Qualitative analysis was done by retention time and quantitative analysis by external standard curve.
方法水中的毒死蜱经二氯甲烷萃取后，用火焰光度检测气相色谱法测定，以保留时间定性，外标法定量。
Methods Chlorpyrifos was determined by GC-FPD after extraction by dichloromethane. Qualitative analysis was done by retention time and quantitative analysis by external standard curve.
方法水中的毒死蜱经二氯甲烷萃取后，用火焰光度检测气相色谱法测定，以保留时间定性，外标法定量。
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