Terbium Oxide (Tb4O7)-Granules introduce:
Terbium(III,IV) oxide, occasionally called tetraterbium heptaoxide, has the formula Tb4O7, though some texts refer to it as TbO1.75. There is some debate as to whether it is a discrete compound, or simply one phase in an interstitial oxide system.
Molar mass： 747.6972 g/mol
Appearance： Dark brown-black
Density： 7.3 g/cm3
Melting point： Decomposes to Tb2O3
Solubility in water：Insoluble
Used for making metal terbium, magneto-optical glass, phosphor powder, magneto-optical storage, chemical additives, etc.
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