GB/T 6730.3-2017 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods (English Version)
2017GB/T 6730.3-2017 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods
1986GB/T 6730.3-1986 Methods for chemical analysis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples