Methods for chemical analysis of aluminium and aluminium alloys—Part 5:Determination of silicon content
全国有色金属标准化技术委员会(SAC/TC 243)
GB/T 20975的本部分规定了钼蓝分光光度法和重量法测定铝及铝合金中硅含量。
本部分适用于铝及铝合金中硅含量的仲裁测定。钼蓝分光光度法测定范围：0.001 0%～15.00%；重量法测定范围：10.00%～63.00%。
注： 硅质量分数为＞10.00%～15.00%时，采用重量法为仲裁方法。
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