| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 31311-2014 | English | 209 |
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Days<=3
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Metallurgical-grade fluorspar -- Determination of lead content -- Solvent extraction atomic absorption spectrometric method
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GB/T 31311-2014
| Valid |
GB/T 31311-2014
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