Terbium Oxide

Terbium Oxide Tb4O7
REO % min.		99	99	99	99	99	99
Tb4O7 /REO% min.		99.5	99.9	99.95	99.99	99.995	99.999
Rare earth impurities % max.	La2O3	Total 0.5(Eu2O3+ Gd2O3+ Dy2O3+ Ho2O3+ Y2o3)	Total 0.1(Eu2O3+ Gd2O3+ Dy2O3+ Ho2O3+ Y2o3)	Total 0.05 (Eu2O3+ Gd2O3+ Dy2O3+ Ho2O3+ Y2o3)	Total 0.002	Total 0.001	0.00005
	CaO2						0.00005
	Pr6O11						0.00005
	Nd2O3						0.00005
	Sm2O3						0.00005
	Er2O3						0.00005
	Tm2O3						0.00005
	Yb2O3						0.00005
	Lu2O3						0.00005
	Eu2O3				0.002	0.001	0.00005
	Gd4O7				0.002	0.001	0.0001
	Dy2O3				0.002	0.001	0.0002
	Ho2O3				0.001	0.0005	0.00005
	Y2O3				0.001	0.0005	0.00005
Non rare earth impurities % max	Fe2O3	0.002	0.002	0.002	0.0005	0.0003	0.0003
	CaO	0.005	0.005	0.005	0.002	0.001	0.001
	SiO2	0.01	0.01	0.01	0.003	0.003	0.003
	Cl-	0.04	0.04	0.04	0.02	0.01	0.01
L.O.I and Water % Max.		1	1	1	1	1