| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 12690.12-2024 | English | 279 |
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Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Part 12: Determination of thorium and uranium contents - Inductively coupled plasma mass spectrum method
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GB/T 12690.12-2024
| Valid |
GB/T 12690.12-2024
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