Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content
全国有色金属标准化技术委员会(SAC/TC 243)
GB/T 20975的本部分规定了依莱铬氰兰R分光光度法测定铝及铝合金中铍含量。
本部分适用于铝及铝合金中铍含量的仲裁测定。依莱铬氰兰R分光光度法(Ⅰ)测定范围:0.000 1%～0.45%；依莱铬氰兰R分光光度法(Ⅱ)测定范围:2.00%～6.50%。
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