| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 3884.21-2018 | English | 199 |
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Methods for chemical analysis of copper concentrates -- Part 21: Determination of copper, sulfur, lead, zinc, iron, aluminium, calcium, magnesium, manganese content -- Wavelength dispersive X-ray fluorescence spectrometric method
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GB/T 3884.21-2018
| Valid |
GB/T 3884.21-2018
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