GB/T 6730.7-1986 Methods for chemical analysis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content (English Version)
This standard applies to the determination of the amount of metallic iron in iron ore, iron concentrate, sinter and pellets. Measuring range: 0.02 to 0.3%.
GB/T 6730.7-1986 history
2016GB/T 6730.7-2016 Iron ores.Determination of metallic iron content.Sulfosalicylic acid spectrophotometric method
1986GB/T 6730.7-1986 Methods for chemical analysis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content