A simple, selective chelatometric titration method to determine the high content of tin in tin bearing alloy and ore sample is proposed.

提出测定含锡合金和矿样中高含量锡的一种简易、 选择性螯合滴定法。

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The analysis method for lead in tin-base bearing alloy is studied. It is showed from the test that it has high accuracy and wide measure range.

研究了锡基轴承合金中铅的分析方法，试验结果表明该方法准确度高，并且测定铅含量的范围大。

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This method has been employed with good results for determining copper in tin-based bearing alloy, Babbitt alloy and crude copper containing tin and antimony.

本法已应用于锡基轴承合金、巴氏合金及含有锡或锑的粗铜中铜的测定，效果良好。

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