GB/T 5687.3-1985
Methods for chemical analysis of ferro-chromium--The molybdenum blue photometric method for the determination of phosphorus content
2022-03
- Standard No.
- GB/T 5687.3-1985
- Language
- Chinese
- Release Date
- 1985
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 4699.3-2007
- GB/T 5687.13-2021
- Lastest
- GB/T 5687.13-2021
- Scope
- This standard applies to the determination of phosphorus content in ferrochromium and ferrochromium nitride. Measuring range: <0.15%.
GB/T 5687.3-1985 history
- 2021 GB/T 5687.13-2021 Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method)
- 2007 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
- 1985 GB/T 5687.3-1985 Methods for chemical analysis of ferro-chromium--The molybdenum blue photometric method for the determination of phosphorus content
GB/T 5687.3-1985 Methods for chemical analysis of ferro-chromium--The molybdenum blue photometric method for the determination of phosphorus content was changed to 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 5687.3-1985 -All Parts
GB/T 5687.1-1985 Methods for chemical analysis of ferro-chromium--The ammonium persulfate oxidation volumetric method for the determination of chromium content
GB/T 5687.10-2006 Ferrochromium - Determination of manganese content - Flame atomic absorption spectrometric method
GB/T 5687.11-2006 Ferrochromium - Determination of titanium content - Diantipyrylmethane spectrophotometric method
GB/T 5687.12-2020 Ferrochromium—Determination of phosphorus, aluminum, titanium, copper, manganese, calcium content—Inductively coupled plasma atomic emission spectrometric method
GB/T 5687.13-2021 Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method)
GB/T 5687.2-2007 Ferrochromium,silicochromium and nitrogen-bearing Ferrochromium-Determination of silicon content-The perchloric acid dehydration gravimetric method
GB/T 5687.3-1985 Methods for chemical analysis of ferro-chromium--The molybdenum blue photometric method for the determination of phosphorus content
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 5687.5-1988 Methods for chemical analysis of ferro-chromium--The infrared absorption method for the determination of carbon content
GB/T 5687.6-1988 Methods for chemical analysis of ferro-chromium--The coulometric method for the determination of carbon content
GB/T 5687.7-1988 Methods for chemical analysis of ferro-chromium--The gravimetric method for the determination of carbon content
GB/T 5687.8-1988 Methods for chemical analysis of ferro-chromium--The infrared absorption method for the determination of sulfur content
GB/T 5687.9-1988 Methods for chemical analysis of ferro-chromium--The combustion-neutralization titration method for the determination of sulfur content