GB/T 7730.9-1988
Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The combustion-neutralization titration method for the determination of sulfur content
2008-11
- Standard No.
- GB/T 7730.9-1988
- Language
- Chinese
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 5686.7-2008
- Lastest
- GB/T 5686.7-2022
- Scope
- This standard applies to the determination of sulfur content in ferromanganese and blast furnace ferromanganese. Measuring range: 0.015% to 0.045%.
GB/T 7730.9-1988 history
- 2022 GB/T 5686.7-2022 Ferromanganese，ferromanganese-silicon，nitrogen-bearing ferromanganese and manganese metal—Determination of sulfur content—Infrared absorption method and combustion-neutralization method
- 2008 GB/T 5686.7-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of sulfur content. Infrared absorption method and combustion-neutralization method
- 1988 GB/T 7730.9-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The combustion-neutralization titration method for the determination of sulfur content
GB/T 7730.9-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The combustion-neutralization titration method for the determination of sulfur content was changed to GB/T 5686.7-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of sulfur content. Infrared absorption method and combustion-neutralization method.
GB/T 7730.9-1988 -All Parts
GB/T 7730.1-2002 Ferromanganese and blast furnace ferromanganese--Determination of manganese content--Potentiometric method and titrimetric method after ammonium nitrate oxidation
GB/T 7730.2-2002 Ferromanganese and blast furnace ferromanganese--Determination of silicon content--Gravimetric method after perchloric acid dehydration
GB/T 7730.3-1997 Methods for chemical analysis of ferromanganese. The determination of phosphorus content
GB/T 7730.5-2000 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese The infrared absorption method for the determination of carbon content
GB/T 7730.6-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The gasometric method for determination of carbon content
GB/T 7730.7-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The gravimetric method for determination of carbon content
GB/T 7730.8-2000 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese The infrared absorption method for the determination of sulfur content
GB/T 7730.9-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The combustion-neutralization titration method for the determination of sulfur content