This standard specifies the method for the determination of the total content of rare earth and thorium oxides in monazite concentrate. This standard applies to the determination of the total content of rare earth and thorium oxides in monazite concentrate. Measuring range: 20% to 70%.
GB/T 18114.1-2000 history
2011GB/T 18114.1-2010 Chemical analysis methods of rare earth concentrates.Part 1:Determination of total rare earth oxide contents.Gravimetry
2000GB/T 18114.1-2000 Methods for chemical analysis of monazite concentrates-Determination of total rare earth and thorium oxide content