This part of GB/T 10322 specifies the single-point determination method for the specific surface area of iron ore by nitrogen adsorption method. This section applies to iron ore fine powder.
GB/T 10322.8-2009 Referenced Document
GB/T 10322.1-2000 Iron ores-Sampling and sample preparation procedures
GB/T 10322.8-2009 history
2009GB/T 10322.8-2009 Iron ores.Single-point determination of specific surface area.Nitrogen adsorption method