General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 23513.5-2009
Scope
This part of GB/T 23513 specifies the determination method of silica content in germanium concentrate. This section applies to the determination of silica content in germanium concentrate. Measuring range: 0.5%~60%.
GB/T 23513.5-2009 history
2009GB/T 23513.5-2009 Chemical analysis methods for germanium concentrate.Part 5:Determination of silica content.Gravimetry