good pure niobium oxide

1.white or yellowish power 2.for production of metallurgical and chemical industrial and so on

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

Niobium oxide is used for the metallurgical industry, atomic energy industry, aviation and space industry, military industry, electronic industry, chemical industry, superconducting materials and medical instrument.

good pure niobium oxide