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| Standard Insuued on: 1990-12 |
GB/T 12689.5-1990 Zinc and zinc alloys―Determination of silicon content―Molybdenum blue spectrophotometric method
锌及锌合金化学分析方法 钼蓝分光光度法测定硅量
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1990-12-30 | |
| Implemented Date: | 1992-1-1 | Abolished Date: | 2004-10-01 |
| Superseded Standard.: | GB/T 12689.8-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of silicon content—The molybdenum blue spectrophotometric method |
Superseded Date: | 2004-10-1 |
GB/T 678-1990
GB/T 12600-1990
GB/T 12545.1-2008
GB/T 12529.1-2008
GB/T 12529.3-2008
GB 13022-1991
GB/T 12690.21-1990
GB/T 12689.5-1990
GB/T 12689.3-1990
GB/T 12689.1-1990
GB/T 12690.14-1990
GB/T 12690.13-1990
GB 2367-1990
GB/T 12689.4-1990
GB/T 12690.8-1990
GB/T 12689.8-1990
GB/T 12689.14-1990
GB/T 12761-1991
GB/T 12690.25-1990
GB/T 12689.6-1990
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