GB/T 4293-1984
abolished_transferred
YS/T 535.7-2009
Active
Industry standards-Non-ferrous metals
YS/T 535.7-2009 Chemical analysis methods of sodium fluoride—Part 7:Determination of acidity—Neutral titration method
YS/T 535.7-2009 Chemical analysis methods of sodium fluoride—Part 7:Determination of acidity—Neutral titration method
Basic Information
Standard Code:
YS/T 535.7-2009
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTest methods for the physical properties of metals
ICS Name:
Salt
Publish Date:
2009-12-04
Implement Date:
2010-06-01
Pages:
4 pages
Scope
This section specifies the method for determining the acidity (expressed as hydrogen fluoride) in sodium fluoride.
This section is applicable to the determination of acidity (expressed as hydrogen fluoride) in sodium fluoride. The measurement range (mass fraction): ≤1.00%.
Development Information
Same series standard
YS/T 535.1-2009 Chemical analysis methods of sodium fluoride—Part 1:Determination of moisture content—Gravimetric method
YS/T 535.2-2009 Chemical analysis methods of sodium fluoride—Part 2:Determination of fluorine content—Distillation-thorium nitrate volumetric method
YS/T 535.3-2009 Chemical analysis methods of sodium fluoride—Part 3:Determination of silica content—Molybdenum blue photometric method
YS/T 535.4-2009 Chemical analysis methods of sodium fluoride—Part 4:Determination of iron content—1,10-phenanthroline spectrophotometric method
YS/T 535.5-2009 Chemical analysis methods of sodium fluoride—Part 5:Determination of soluble sulphates content—Turbidimetric method
YS/T 535.6-2009 Chemical analysis methods of sodium fluoride—Part 6:Determination of carbonate content—Gravimetric method
YS/T 535.8-2009 Chemical analysis methods of sodium fluoride—Part 8:Determination of water insoluble matter content—Gravimetric method
YS/T 535.9-2009 Chemical analysis methods of sodium fluoride—Part 9:Determination of chloride content—The turbidimetric method
YS/T 535.10-2009 Chemical analysis methods of sodium fluoride—Part 10:Preparation and storage of test samples
Replace the following standards
YS/T 535.7-2006(原GB/T 8158.7-1987)
Referenced Standards
Related Standards
GB/T 6275-1986
Abolished
GB/T 6275-1986 Ammonium hydrogen carbonate for industrial use
GB/T 6276.1-1986
Replaced
GB/T 6276.1-1986 Ammonium hydrogen carbonate for industrial use—Determination of total alkalinity—Volumetric method
GB/T 6276.2-1986
Replaced
GB/T 6276.2-1986 Ammonium hydrogen carbonate for industrial use—Determination of chloride content—Potentiometric method
GB/T 6276.3-1986
Replaced
GB/T 6276.3-1986 Ammonium hydrogen carbonate for industrial use—Determination sulphide content—Visible turbidimetric method
GB/T 6276.4-1986
Replaced