GB/T 18114.9-2010 Chemical analysis methods of rare earth concentrates.Part 9: Determination of phosphorus pentoxide content.Phosphorus-bismuth-molybdenum blue spectrophotometry
This part of GB/T 18114 specifies the method for the determination of phosphorus pentoxide in rare earth concentrates. This section applies to the determination of the amount of phosphorus pentoxide in rare earth concentrates. Measuring range: 0.20% to 30.00%.
GB/T 18114.9-2010 history
2011GB/T 18114.9-2010 Chemical analysis methods of rare earth concentrates.Part 9: Determination of phosphorus pentoxide content.Phosphorus-bismuth-molybdenum blue spectrophotometry
2000GB/T 18114.9-2000 Methods for chemical analysis of monazite concentrates-Determination of phosphor oxide content