ERBIUM OXIDE CAS No.: 12738-76-0 Character: Brown powder, insoluble in water, soluble in mineral acids. Molecular Formula: Tb4O7 Specification CODE TREO min % Tb4O7/TREO min % L.O.I.1000掳C 1H max % Non-RE Impurities max g/g ---------------------------------------------------------------------------------------------------Fe2O3 CaO SiO2 Cl- TbO-1--------- 99-------------- 99.99-------------------------- --1----------------------- 50----- 20---- 20-- 100 TbO-2--------- 99-------------- 99.9------------------------------ 1----------------------- 10----- 50---- 50-- 100 TbO-3--------- 99-------------- 99.5------------------------------ 1----------------------- 50----- 100-- 100- 200 TbO-4--------- 99-------------- 99--------------------------------- 1---------------------- 100---- 200-- 100- 200 Uses: As an activator for phosphor and a dopant in garnet. Email:info@beyondchem.com\ QQ:3383226878 Website:www.rare-earth.co www.beyondchem.com