rare metal oxide 99.5-99.99% niobium oxide

Good quality

Grade		Nb2O5
Main content, %  By substraction (exclusive of F, Ignition Loss)		99.5
Impurity content(ppm max.)	Al	0.002
	Cr	0.003
	Cu	0.005
	F	0.1
	Fe	0.02
	Mn	0.005
	Mo	0.003
	Ni	0.02
	Si	0.005
	Ta	0.05
	Ti	0.002
	W	0.003
Ignition Loss, %, max		0.2
Application		For niobium metal billets and  powder, niobium carbide, ceramic

 

Grade		Nb2O5
Main content, %  By substraction (exclusive of F, Ignition Loss)		99.99
Impurity content(ppm max.)	Al	0.0003
	As	0.0001
	B	0.0001
	Bi	0.0002
	Ca	0.0005
	Cl	0.001
	Co	0.0001
	Cr	0.0003
	Cu	0.0003
	F	0.005
	Fe	0.0003
	K	0.0002
	Mg	0.0001
	Mn	0.0002
	Mo	0.0002
	Na	0.0005
	Ni	0.0003
	Pb	0.0003
	Sb	0.0005
	Si	0.001
	Sn	0.0001
	Ta	0.001
	Ti	0.0001
	V	0.0001
	W	0.0003
	Zr	0.0001
Ignition Loss, %, max		0.1
Application		For lithium niobate single crystal and additive in special optical glass.