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| Professional Standard Category: National Standard |
GB/T 3257.2-1999 Methods for chemical analysis of bauxite--Determination of silicon dioxide content--Gravimetric-molybdenum blue photometric method
铝土矿石化学分析方法 重量 - 钼蓝光度法测定二氧化硅量 ;
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | China State Bureau of Quality and Technical Supervision | Issued Date: | 1999-08-03 |
| Implemented Date: | 2000-4-1 | Abolished Date: | |
| Superseded Standard.: | YS/T 575.2-2006 Methods for chemical analysis of bauxite. Determination of silicon dioxide content. Gravimetric-molybdenum blue photometric method |
Superseded Date: |
GB 5009.129-2003
GB/T 4816-1984
GB/T 4333.8-1984
GB 5926-1986
GB/T 11618.4-1989
GB/T 11618.2-1989
GB 6860.3-1986
GB 1760-1979
GB 8494.5-1987
GB 4789.23-1994
GB/T 4738.1-1984
GB/T 11888-1989
GB/T 15615-1995
GB/T 3936.7-1983
GB/T 11902-1989
GB 1541-1979
GB/T 10263.3-1988
GB 5819.3-1986
GB/T 1732-1979
GB/T 7674-1987
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