This part specifies the potassium dichromate titration method for the determination of total iron content in iron ore after reduction of ferric iron by stannous chloride. This part applies to natural iron ore, iron concentrate and agglomeration, including the determination of total iron content in sintered products. Measurement range (mass fraction): 30% to 72%.
GB/T 6730.70-2013 Referenced Document
GB/T 10322.1 Iron ore sampling and sample preparation methods*, 2023-08-06 Update