Imports of lanthanum oxide Details Name: lanthanum oxide Formula: La2O3 Appearance: pure white powder purity: 99% to 99.999% TREO: ≥ 99% Impurities: Below the national standard Use: lanthanum used in the manufacture of optical glass, laser materials, pressure electric materials, electric materials, thermoelectric materials, magnetoresistive materials, luminescent materials, hydrogen storage materials, various alloy materials, organic chemical products, catalysts, rare earth chemical fertilizer.