GB/T 8654.7-1988
Methods for chemical analysis of manganese metal--The potentiometric titration method for the determination of manganese content (English Version)
- Standard No.
- GB/T 8654.7-1988
- 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 5686.1-2008
- Latest
- GB/T 5686.1-2022
- Scope
- This standard applies to the determination of the amount of manganese in manganese metal. Measuring range: 92.00% to 98.00%. This standard is not applicable to the determination of manganese content in metal manganese containing more than 0.40% chromium and vanadium.
GB/T 8654.7-1988 history
- 2022 GB/T 5686.1-2022 Ferromanganese，ferromanganese-silicon，nitrogen-bearing ferromanganese and manganese metal—Determination of manganese content—Potentiometric method， titrimetric method after ammonium nitrate oxidation
- 2008 GB/T 5686.1-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of manganese content. Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation
- 1988 GB/T 8654.7-1988 Methods for chemical analysis of manganese metal--The potentiometric titration method for the determination of manganese content
GB/T 8654.7-1988 Methods for chemical analysis of manganese metal--The potentiometric titration method for the determination of manganese content was changed to GB/T 5686.1-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of manganese content. Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation.
GB/T 8654.7-1988 -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