- Standard No.
- GB/T 6730.15-1986
- Language
- Chinese
- Release Date
- 1986
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 6730.13-2007
- Lastest
-
GB/T 6730.13-2007
- Scope
- This standard applies to the determination of magnesium content in iron ore, iron concentrate, sinter and pellets. Measuring range: 1.0% or more.
GB/T 6730.15-1986 history
- 2007 GB/T 6730.13-2007 Iron ores.Determination of calcium and magnesium content.EGTA-CyDTA titrimetric method
- 1986 GB/T 6730.15-1986 Methods for chemical analysis of iron ores--The complexometric method for the determination of magnesium content
GB/T 6730.15-1986 Methods for chemical analysis of iron ores--The complexometric method for the determination of magnesium content was changed to GB/T 6730.13-2007 Iron ores.Determination of calcium and magnesium content.EGTA-CyDTA titrimetric method.