Nd 2O 3 2N	Nd 2O 3 3N	Nd 2O 3 4N
TREO	99.00	99.00	99.00
Nd 2O 3/TREO	99.50	99.95	99.99
Fe 2O 3	0.010	0.005	0.002
SiO 2	0.035	0.020	0.005
CaO	0.050	0.030	0.020
SO 4 2-	0.050	0.030	0.030
Cl -	0.050	0.030	0.030
Na 2O	0.005	0.005	0.005
PbO	0.005	0.002	0.002