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| Standard Insuued on: 2004-01 |
GB/T 6901.9-2004 Chemical analysis of silica refractories-Part 9: Determination of potassium oxide and sodium oxide-Atomic absorption spectrophotometric method
硅质耐火材料化学分析方法 第9部分：火焰原子吸收光谱法测定氧化钾、氧化钠量
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2004-01-19 |
| Implemented Date: | Abolished Date: | ||
| Superseded Standard.: | GB/T 6901-2008 Chemical analysis of silica refractories |
Superseded Date: |
GB/T 6901.6-2004
GB 19615-2004
GB/T 6901.9-2004
GB/T 6901.8-2004
HG/T 3720-2003
GB/T 6901.5-2004
GB/T 6901.10-2004
GB/T 6901.4-2004
GB/T 6901.1-2004
HG/T 3718-2003
HG/T 3717-2003
GB/T 6901.3-2004
GB/T 6901.7-2004
NY/T 5298-2004
HG/T 3719-2003
GB 19614-2004
TB/T 1347-2004
GB 19432.3-2004
GB/T 6901.11-2004
GB/T 12686-2004
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