GB/T 7730.2-2002
Ferromanganese and blast furnace ferromanganese--Determination of silicon content--Gravimetric method after perchloric acid dehydration (English Version)
- Standard No.
- GB/T 7730.2-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2008-11
- Replace By
- GB/T 5686.2-2008
- Latest
- GB/T 5686.2-2022
- Scope
- This part specifies the principle, reagents and materials, instruments, sampling and preparation, analysis steps, calculation of results, etc. for the determination of silicon content by perchloric acid dehydration gravimetric method. This part applies to the determination of silicon content in ferromanganese and blast furnace ferromanganese, the determination range (mass fraction): 0.10% ~ 5.00%.
GB/T 7730.2-2002 history
- 2022 GB/T 5686.2-2022 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method, silicon potassium fluoride titri
- 2008 GB/T 5686.2-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of silicon content. Molybdenum blue photometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric me
- 2002 GB/T 7730.2-2002 Ferromanganese and blast furnace ferromanganese--Determination of silicon content--Gravimetric method after perchloric acid dehydration
GB/T 7730.2-2002 Ferromanganese and blast furnace ferromanganese--Determination of silicon content--Gravimetric method after perchloric acid dehydration was changed to GB/T 5686.2-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of silicon content. Molybdenum blue photometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric me.
GB/T 7730.2-2002 -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