Physical properties: white powder, density 5.936. Melting point 1493 ℃, boiling point 2330 ℃, insoluble in water, insoluble in hydrochloric acid, nitric acid and sulfuric acid, but can be dissolved
in perchloric acid. There are hygroscopic in the air, more stable.
Uses: Preparation for modern medical image display scintillator technology and nuclear science requirements, rare earth crystal laser materials, rare earth fluoride glass optical fiber and infrared
glass. Carbon electrode arc lamp illumination source for manufacturing. In chemical analysis used in the manufacture of fluorine ion selective electrode. In the metallurgical industry for the
manufacture of special alloy and electrolytic production of metal lanthanum.
Specifications: Purity:> 99.99%, 1-2mm 1-3mm 1-5mm 2-3mm