GB/T 5069.3-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials-Gravimetric-molybdenum blue photometric method for determination of silicon dioxide content
镁质及镁铝(铝镁)质耐火材料化学分析方法 重量-钼蓝光度法测定二氧化硅量
Category No.: | GB |
Valid Status: | superseded |
Issued Organization: | General Administration of Quality Supervision, Inspection and Quarantine of PRC |
Issued Date: | 2001-01-02 |
Implemented Date: | 2002-5-1 |
Abolished Date: | 2007-10-01 |
Superseded Standard.: | GB/T 5069-2007 Chemical Analysis of Magnesia-Alumina Refractories
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Superseded Date: | 2007-10-1 |