GB/T 8704.8-1994
Methods for chemical analysis of ferrovanadium. The chromazurol S photometric method and EDTA volumetric method for determination of aluminium comtent (English Version)
- Standard No.
- GB/T 8704.8-1994
- 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 8704.8-2009
- Latest
- GB/T 8704.8-2009
- Scope
- This standard specifies the following two methods to determine the amount of aluminum in ferrovanadium. Method Ⅰ: chromazurin S photometric method, measuring range: 0.10%-0.80%; Method Ⅱ: EDTA volumetric method, measuring range: 0.50%-3.50%.
GB/T 8704.8-1994 history
- 2009 GB/T 8704.8-2009 Ferrovanadium.Determination of aluminium content.The chromazurol S spectrophotometric method and EDTA titrimetric method
- 1994 GB/T 8704.8-1994 Methods for chemical analysis of ferrovanadium. The chromazurol S photometric method and EDTA volumetric method for determination of aluminium comtent
GB/T 8704.8-1994 -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