This standard specifies the determination method of loss on ignition in bauxite ore. This standard is applicable to the determination of the loss on ignition in the right middle of bauxite, and the measurement range is 10% to 30%.
GB/T 3257.21-1999 history
1999GB/T 3257.21-1999 Methods for chemical analysis of bauxite--Determination of the loss on ignition--Gravimetric method
GB/T 3257.21-1999 Methods for chemical analysis of bauxite--Determination of the loss on ignition--Gravimetric method was changed to YS/T 575.19-2006 Bauxite ore chemical analysis methods gravimetric determination of ignition loss.