Terbium Oxide

We are offering terbium oxide. Terbium oxide, also called terbia, has important role as an activator for green phosphors used in colour tv tubes. Meanwhile terbium oxide is also used in special lasers and as a dopant in solid-state devices.
formula: tb4o7
cas no.: 12037-01-3
molecular weight: 747.69
appearance: brown
solubility: insoluble in water, moderately soluble in strong mineral acids
stability: slightly hygroscopic
purity: tb4o7treo 99.95%-99.995% treo≥99% loi≤1%
non rare earth impurities: cuo≤10ugg cao≤10ugg pbo≤5ugg cl-≤100ugg sio2≤25ugg nio≤5ugg fe2o3≤5ugg