GB/T 8704.7-1994
Methods for chemical analysis of ferrovanadium. The molybdenum blue photometric method for the determination of phosphorus content (English Version)
- Standard No.
- GB/T 8704.7-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2010-04
- Replace By
- GB/T 8704.7-2009
- Latest
- GB/T 8704.7-2009
- Scope
- This standard specifies the aluminum blue photometric method for the determination of phosphorus. This standard applies to the determination of phosphorus in ferrovanadium. Measuring range: <0.25%.
GB/T 8704.7-1994 history
- 2009 GB/T 8704.7-2009 Ferrovanadium.Determination of phosphorus content.The molybdenum blue photometric method
- 1994 GB/T 8704.7-1994 Methods for chemical analysis of ferrovanadium. The molybdenum blue photometric method for the determination of phosphorus content
GB/T 8704.7-1994 -All Parts
GB/T 8704.1-2009 Ferrovanadium-Determination of carbon content-The infrared absorption method and the gasometric method
GB/T 8704.10-2020 Ferrovanadium—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickel and titanium contents— Inductively coupled plasma atomic emission spectrometric method
GB/T 8704.3-2009 Ferrovanadium.Determination of sulfur content.The infrared absorption method and the combustion-neutralization titration method
GB/T 8704.5-2020 Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method
GB/T 8704.6-2020 Ferrovanadium—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method
GB/T 8704.7-2009 Ferrovanadium.Determination of phosphorus content.The molybdenum blue photometric method
GB/T 8704.8-2009 Ferrovanadium.Determination of aluminium content.The chromazurol S spectrophotometric method and EDTA titrimetric method
GB/T 8704.9-2009 Ferrovanadium.Determination of manganese content.The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method