High Purity Terbium Oxide Tb4o7 Powder

• CAS No.: 12037-01-3
• Formula: Tb4o7
• Classification: Other Oxides
• Grade Standard: Technical Grade
• Kind: No Salt Oxide
• Quality: First Class
• Model NO.: REO-Tb
• Composition: Terbium
• Reo % Min.: 99%
• Application: Terbium Metal
• Appearance: Brown Powder
• Einecs No.: 234-856-3
• Formula Weight: 747.69
• Density: 7.3G/Cm3
• Purity( Tb4o7/ Reo): 99%-99.999%
• Transport Package: 1000kg Per Bag
• Specification: Purity: 99%-99.999%
• Trademark: Wanfeng
• Origin: China
• HS Code: 284690
• Production Capacity: 10tons/Month

Product Description

Terbium Oxide 
 

1. Appearance: brown powder

2. Formula: Tb4O7

3. Formula weight: 747.69

4. CAS No.: 12037-01-3

5. EINECS No.: 234-856-3

6. Density: 7.3g/cm3

7. Melting point: 2340ºC
8. Solubility : insoluble in water , soluble in acid

9. Purity( Tb4O7/ REO): 4N5(99.995%)

10. Terbium Oxide is mainly used to make metal Terbium , optical glasses , fluorescent materials , magnetic optical storage , magnetic materials and additive for garnet
     

 

 

Terbium Oxide Tb4O7
Purity		2N5	3N	3N5	4N	4N5	5N
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	1