GB/T 4699.4-1988
Methods for chemical analysis of silicochromium The infrared absorption method for the determination of carbon content (English Version)
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GB/T 4699.4-1988
Standard No.
GB/T 4699.4-1988
Language
Chinese,
Available in English version
Release Date
1988
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
Be replaced
2008-11
Replace By
GB/T 4699.4-2008
Latest
GB/T 4699.4-2008
Scope
This standard applies to the determination of the amount of carbon in silicon-chromium alloys. Measuring range: 0.010% to 1.200%.
GB/T 4699.4-1988 history
2008
GB/T 4699.4-2008
Ferrochromium and silicochromium. Determination of carbon content. Infrared absorption method and gravimetric method
1988
GB/T 4699.4-1988
Methods for chemical analysis of silicochromium The infrared absorption method for the determination of carbon content
GB/T 4699.4-1988 -All Parts
GB/T 4699.1-1984 Methods for chemical analysis of silicochromium--The gravimetric method for the determination of silicon content
GB/T 4699.2-2008 Ferrochromium and ferrosilicochromium. Determination of chromium content. The ammonium persulfate oxidation titrimetric method and potentiometric titration method
GB/T 4699.3-2007 Ferrochromium, silicochromium and nitrogen-bearing ferrochromium.Determination of phosphorus content.Molybdobismuthylphosphoric blue speckophotometric method and the molybdenum blue spectrophotometric method
GB/T 4699.4-2008 Ferrochromium and silicochromium. Determination of carbon content. Infrared absorption method and gravimetric method
GB/T 4699.6-2008 Ferrochromium and silicochromium. Determination of sulfur content. The infrared absorption method and combustion-titration method
GB/T 4699.7-1988 Methods for chemical analysis of silicochromium--The combustion-neutralization titration method for the determination of sulfur content
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