巴氏合金中锑含量在1.0～20%,常用化学分析方法有高锰酸钾容量法和溴酸钾容量法。据一般资料介绍,高锰酸钾容量法测得结果为砷、锑合量,因此溴酸钾容量法常当作经典法应用,我们对此法作了进一步试验,提出一些看法。讨论 1 溴酸钾容量法是单独测锑的分析方法,其中砷在煮沸过程中以三氯化砷形式挥发。有资料介绍加热煮沸至体积60±5ml是方法的关键,即蒸至此体积时,三氯化砷挥发而三氯化锑不受影响,实际上却并不如此。从我们试验中发现,巴氏合金中由于含有铜成份,即使溶液体积蒸至60±5ml时,测得锑的数据 Babbitt antimony content of 1.0 to 20%, commonly used chemical analysis methods potassium permanganate capacity and potassium bromate capacity method. According to the general information, potassium permanganate capacity method measured the results of arsenic, antimony content, so the potassium bromate capacity method is often used as a classical law, we made further tests of this method, put forward some views. DISCUSSION 1 The potassium bromate capacity method is an analytical method for the measurement of antimony alone, where arsenic volatilizes as arsenic trichloride during boiling. There is information on the boiling heat to a volume of 60 ± 5ml is the key to the method, that is, to this volume, the arsenic trichloride volatilization of antimony trichloride is not affected, in fact, is not the case. It has been found from our experiments that due to the copper content in the pasteurized alloy, the data of antimony is measured even when the solution volume is distilled to 60 ± 5 ml