This part of GB/T 6730 specifies the method for determining the carbon content in iron ore by the gas break volume method. This section applies to the determination of carbon content in iron ore, iron concentrate, sinter and pellets. Measuring range (mass fraction): 0.10%~10.00%.
GB/T 6730.50-2016 Referenced Document
GB/T 10322.1 Iron ore sampling and sample preparation methods*, 2023-08-06 Update
GB/T 223.69-2008 Iron,steel and alloy.Determination of carbon contents.Gas-volumetric method after combustion in the pipe furnace
GB/T 6730.1 Iron ores.Preparation of predried test samples for chemical analysis
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 6730.50-2016 history
2016GB/T 6730.50-2016 Iron ores—Determination of carbon content—Gas volumetric method
1986GB/T 6730.50-1986 Methods for chemical analysis of iron ores--The gas volumetric method for the determination of total carbon content