This part of GB/T 6730 specifies the ferric chloride-sodium acetate titration method for the determination of metallic iron content. This section applies to the determination of metallic iron content in iron ore, iron concentrate, sinter and pellets. Measuring range (mass fraction): 0.150%~3.00%.
GB/T 6730.6-2016 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
GB/T 6379.1 Accuracy(trueness and precision)of measurement methods and results Part 1:General principles and definitions
GB/T 6379.2 Accuracy(trueness and precision)of measurement methods and results-Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 6730.1 Iron ores.Preparation of predried test samples for chemical analysis
GB/T 6730.3 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods*, 2017-10-14 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 6730.6-2016 history
2016GB/T 6730.6-2016 Iron ores.Determination of metallic iron content.Ferric chloride-sodium acetate titrimetric method
1986GB/T 6730.6-1986 Methods for chemical analysis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content