| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YS/T 520.1-2007 | English | 199 |
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Days<=3
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Chemical analysis of gallium. Part 1: Determination of copper content. The 2, 9-dimethy-4, 7-diphenyl-1, 10-phenanthroline spectrophotometric method
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YS/T 520.1-2007
| Valid |
YS/T 520.1-2007
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