GB/T 8654.4-1988
Methods for chemical analysis of manganese metal--The perchloric acid dehydration gravimetric method for the determination of silicon content (English Version)
- Standard No.
- GB/T 8654.4-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- 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 standard applies to the determination of silicon content in manganese metal. Measuring range: 0.50% to 2.00%.
GB/T 8654.4-1988 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
- 1988 GB/T 8654.4-1988 Methods for chemical analysis of manganese metal--The perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 8654.4-1988 Methods for chemical analysis of manganese metal--The perchloric acid dehydration gravimetric method for the determination of silicon content 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 8654.4-1988 -All Parts
GB/T 8654.1-2007 Manganese metal,ferromanganese-silicon,ferromanganese and nitrogen-bearing ferromanganese Determination of iron content The ortho-phenanthrdine spectrophotometric method and the titanium trichloride-potassium dichromate titrimetric method
GB/T 8654.10-1988 Methods for chemical analysis of manganese metal--The infrared absorption method for the determination of sulfur content
GB/T 8654.11-1988 Methods for chemical analysis of manganese metal--The combustion-neutralization titration method for the determination of sulfur content
GB/T 8654.2-1988 Methods for chemical analysis of manganese metal--The titanium trichloride-potassium volumetric method for the determination of iron content
GB/T 8654.3-1988 Methods for chemical analysis of manganese metal--The molybdenum blue photometric method for the determination of silicon content
GB/T 8654.4-1988 Methods for chemical analysis of manganese metal--The perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 8654.5-1988 Methods for chemical analysis of manganese metal--The molybdenum blue photometric method for the determination of phosphorus content
GB/T 8654.6-1988 Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content
GB/T 8654.7-1988 Methods for chemical analysis of manganese metal--The potentiometric titration method for the determination of manganese content
GB/T 8654.8-1988 Methods for chemical analysis of manganese metal--The infrared absorption method for the determination of carbon content