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more about erbium
erbium |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Erbium \Er"bi*um\, n. [NL. Named from Ytterby in Sweden, where gadolinite is found Cf {Terbium}, {Yttrium}, {Ytterbium}.] (Chem.) A metallic element of the rare earth group found in gadolinite and some other minerals. Symbol, Er at wt 167.4. Its salts are rose-colored and give characteristic spectra. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Erbium \Er"bi*um\, n. [NL. from Ytterby in Sweden, where gadolinite is found Cf {Terbium}, {Yttrium}, {Ytterbium}.] (Chem.) A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er Atomic weight 165.9. Its salts are rose-colored and give characteristic spectra. Its sesquioxide is called erbia From WordNet r 1.6 [wn]: erbium n : a trivalent metallic element of the rare earth group occurs with yttrium [syn: {Er}, {atomic number 68}] From Elements database 20001107 [elements]: erbium Symbol: Er Atomic number: 68 Atomic weight: 167.26 Soft silvery metallic element which belongs to the lanthanoids. Six natural isotopes that are stable. Twelve artificial isotopes are known Used in nuclear technology as a neutron absorber. It is being investigated for other possible uses. Discovered by Carl G. Mosander in 1843.
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