This part of GB/T 16484 specifies the method for the determination of ammonium oxide in rare earth chloride and light rare earth carbonate. This section applies to the determination of ammonium oxide in rare earth chloride and light rare earth carbonate. Test range: rare earth chloride 0.30% ~ 5.00%; light rare earth carbonate 0.30% ~ 30.00%.
GB/T 16484.13-2009 history
2017GB/T 16484.13-2017 Chemical analysis methods for rare earth chloride and light rare erath carbonate--Part 13: Determination of ammonium chloride content
2009GB/T 16484.13-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 13:Determination of ammonium chloride content.Distillation-titrimetry
1996GB/T 16484.13-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of ammonium chloride content