Chinese Standard: GB/T 15072.9-2008

Test method of precious metal alloys—Determination of indium content for gold alloys—Complexometric return titration using EDTA

全国有色金属标准化技术委员会

本部分规定了金合金中铟含量的测定方法。
本部分适用于AuNiIn合金中铟含量的测定。测定范围(质量分数)：7％~10％。

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