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本文以聚二醇辛基苯基醚(乳化剂OP)及溴代十六烷基吡啶(CPB)为复合乳化剂。采用超声波乳化以火焰原子吸收光谱法测定了汽油中的铅。方法简单快速,回收率在98％以上,相对标准偏差在4％以内。测定结果与经典的络合滴定法一致。
In this paper, polyglycol octylphenyl ether (emulsifier OP) and brominated cetylpyridine (CPB) as a composite emulsifier. Determination of Lead in Gasoline by Flame Atomic Absorption Spectrometry with Ultrasonic Emulsification. The method is simple and rapid, the recovery rate is above 98% and the relative standard deviation is within 4%. The determination results are in accordance with the classical complexometric titration method.