GB/T 21994.6-2008
Chemical analysis of magnesium fluoride.Part 6:Determination of silica content.Molybdenum blue photometric method (English Version)
- Standard No.
- GB/T 21994.6-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 21994.6-2008
- Scope
- This part specifies the method for the determination of silicon dioxide in magnesium fluoride. This section applies to the determination of silica in magnesium fluoride. Measuring range: ≤1.00﹪.
GB/T 21994.6-2008 Referenced Document
- GB/T 21994.1-2008 Chemical analysis of magnesium fluoride.Part 1:Preparation and storage of test samples
GB/T 21994.6-2008 history
- 2008 GB/T 21994.6-2008 Chemical analysis of magnesium fluoride.Part 6:Determination of silica content.Molybdenum blue photometric method
GB/T 21994.6-2008 -All Parts
GB/T 21994.1-2008 Chemical analysis of magnesium fluoride.Part 1:Preparation and storage of test samples
GB/T 21994.2-2008 Chemical analysis of magnesium fluoride.Part 2:Determination of moisture content.Gravimetric method
GB/T 21994.3-2008 Chemical analysis of magnesium fluoride.Part 3:Determination of fluoride content.Distillation-thorium nitrate titration volumetric method
GB/T 21994.4-2008 Chemical analysis of magnesium fluoride.Part 4:Determination of magnesium.EDTA volumetric method
GB/T 21994.5-2008 Chemical analysis of magnesium fluoride.Part 5:Determiantion of calcium content.Method of flame atomic absorption spectrometry
GB/T 21994.6-2008 Chemical analysis of magnesium fluoride.Part 6:Determination of silica content.Molybdenum blue photometric method
GB/T 21994.7-2008 Chemical analysis of magnesium fluoride.Part 7:Determination of iron content.Orthophenantholine photometric method
GB/T 21994.8-2008 Chemical analysis of magnesium fluoride.Part 8:Determination of sulphate content.Barium sulphate gravimetric method