GB/T 21994.1-2008
Chemical analysis of magnesium fluoride.Part 1:Preparation and storage of test samples (English Version)
- Standard No.
- GB/T 21994.1-2008
- 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 21994.1-2008
- Scope
- This standard specifies the preparation and storage of raw and dried samples of magnesium fluoride. This section applies to the preparation and storage of raw samples and dried samples of magnesium fluoride.
GB/T 21994.1-2008 Referenced Document
- GB/T 6679 General rules for sampling solid chemical products
GB/T 21994.1-2008 history
- 2008 GB/T 21994.1-2008 Chemical analysis of magnesium fluoride.Part 1:Preparation and storage of test samples
GB/T 21994.1-2008 -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