It is used for optical glass, illuminant materials, alloy materials, katalyst etc.

very good price

Ce2O3,% ≤0.002Pr6O11,% ≤0.002Nd2o3,% ≤0.001Sm2O3,% ≤0.001Y2O3,% ≤0.001Fe2O3,% ≤0.0005

Name:       Lanthanum Oxide (99.9-99.99%)
Standard	GB/T 4154-1993
Main Content	La2O3/TREO(%)             99.995
	TREO(%)                        99
(ppm)                              RE     impurities		(ppm)                            Non-RE    impurities
Item	Index	Item	Index
CeO2	0.0005	Fe2O3	0.0003
Pr6O11	0.0005	SiO2	—
Nd2O3	0.0005	CaO	—
Sm2O3	0.0005	CuO	0.0002
Y2O3	0.0010	NiO	0.0002
		PbO	0.0020

Lanthanum Oxide