This standard specifies the determination method of phosphate content in rare earth chloride and rare earth carbonate. This standard is applicable to the determination of phosphate content in rare earth chloride and rare earth carbonate. Measuring range: 0.0025% to 0.10%.
GB/T 16484.14-1996 history
2009GB/T 16484.14-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate-Part 14:Determination of phosphorus radical content-Phosphorus-antimonate-molybdenum blue spectrophotometry
1996GB/T 16484.14-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of phosphorus radicle content