GB/T 2596-1981
Abolished
GB/T 21994.6-2008
Active
National standards
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 Chemical analysis of magnesium fluoride—Part 6:Determination of silica content—Molybdenum blue photometric method
Basic Information
Standard Code:
GB/T 21994.6-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for light metals and their alloys
ICS Name:
Chemical analysis of metal materials
Publish Date:
2008-06-09
Implement Date:
2008-12-01
Pages:
5 pages
Scope
This section specifies the method for determining silica in magnesium fluoride. This section is applicable to the determination of silica in magnesium fluoride. The determination range is ≤1.00%.
Development Information
Same series standard
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 21994.7-2008 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
Referenced Standards
Related Standards
GB/T 3249-1982
Replaced
GB/T 3249-1982 Standard method for determination of particle size of powders of refractory metals and compounds—Fisher method
GB/T 3488-1983
Replaced
GB/T 3488-1983 Hardmetals—metallographic determination of microstructure
GB/T 3489-1983
Replaced
GB/T 3489-1983 Hardmetals—Metallographic determination of porosity and uncombined carbon
GB/T 3651-1983
Replaced
GB/T 3651-1983 Measuring method for thermal conductivity of metal at high temperature
GB/T 4059-1983
Replaced