This part of GB/T 6730 specifies the determination of aluminum content by EDTA titration. This part applies to the determination of aluminum content in natural iron ore, iron concentrate, sinter and pellets; determination range (mass fraction): 0.25% to 5.0%.
GB/T 6730.11-2007 Referenced Document
GB/T 10322.1 Iron ore sampling and sample preparation methods*, 2023-08-06 Update
GB/T 12808 Laboratory glass instrument single marked line pipette*, 2016-07-01 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods*, 2008-05-15 Update
GB/T 6730.1 Iron ores.Preparation of predried test samples for chemical analysis*, 2016-02-24 Update
GB/T 6730.11-2007 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