Terbium sentence example

terbium
  • Pure terbium compounds were obtained by G.
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  • rend., 1904 seq.) by fractional crystallization of the nickel double nitrates, the ethyl sulphates, and the bismuth double nitrates of the terbium earths.
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  • Terbium appears to be trivalent.
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  • TERBIUM [[[symbol]] Tb, atomic weight 159.2 (0=16)], a metallic chemical element belonging to the rare earth group; it was originally called erbia by its discoverer Mosander (see Rare Earth).
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