Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 20975.20-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method 铝及铝合金化学分析方法 第20部分:镓含量的测定 丁基罗丹明B分光光度法 |
China National Standards content—Butyrhodamine |
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