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Standard Insuued on: 1986-08 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | China Iron and Steel Association | Issued Date: | 1986-08-19 |
Implemented Date: | 1987-8-1 | Abolished Date: | 2017-11-01 |
Superseded Standard.: | GB/T 6730.22-2016 Iron ores―Determination of titanium content―Diantipyrylmethane spectrophotometric method |
Superseded Date: | 2017-11-1 |
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