| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 2590.4-1981 | English | 199 |
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Days<=2
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Zirconium and hafnium oxides--Determination of aluminum content--Chromazurol S-tetradecyl pyridine bromide photometric method
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GB/T 2590.4-1981
| Obsolete |
GB/T 2590.4-1981
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