| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 30921.4-2016 | English | 119 |
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Days<=3
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Test method of purified terephthalic acid (PTA) for industrial use -- Part 4: Determination of titanium content -- Diantipyrylmethane photometric method
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GB/T 30921.4-2016
| Valid |
GB/T 30921.4-2016
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