GB/T 6730.11-1986 Methods for chemical analysis of iron ores--The fluoride replacement complexometric method for the determination of aluminum content (English Version)
This standard applies to the determination of the amount of aluminum in iron ore, iron concentrate, sinter and pellets. Measuring range: 0.25 to 7.5%.
GB/T 6730.11-1986 history
2007GB/T 6730.11-2007 Iron ores.Determination of aluminium content.EDTA titrimerric method
1986GB/T 6730.11-1986 Methods for chemical analysis of iron ores--The fluoride replacement complexometric method for the determination of aluminum content