Test methods of precious metal alloys—Determination of chromium and iron contents for gold alloys—Inductively coupled plasma atomic emission spectrometry
全国有色金属标准化技术委员会
本部分规定了金合金中铬和铁量的测定方法。
本部分适用于AuNiCr、AuFeCr和AuNiFeZr合金中铬和铁量的测定。测定范围(质量分数)：0.5％~7%。
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