GB/T 6150.12-2008Methods for chemical analysis of tungsten concentrates - Determination of silicon dioxide content - The silicon molybdenum blue spectrophotometry and the gravimetry (English PDF)

GB/T 6150.12-2008 is the English-translated version of 钨精矿化学分析方法 二氧化硅量的测定 硅钼蓝分光光度法和重量法.

GB/T 6150.12-2008 is the Chinese national standard "Methods for chemical analysis of tungsten concentrates - Determination of silicon dioxide content - The silicon molybdenum blue spectrophotometry and the gravimetry".

It was issued on June 17, 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on December 1, 2008. It is obsolete: it has been replaced by GB/T 6150.12-2023.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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