This part of GB/T 18114 specifies the method for the determination of silica content in rare earth concentrates. This section applies to the determination of silica content in rare earth concentrates. The measurement range of method 1: 0.10% to 6.00%; the measurement range of method 2: 1.00% to 10.00%.
GB/T 18114.6-2010 history
2011GB/T 18114.6-2010 Chemical analysis methods of rare earth concentrates.Part 6:Determination of silicon oxide content
2000GB/T 18114.6-2000 Methods for chemical analysis of monazite concentrates-Determination of sillicon oxide content