Definition of Yttrium. Meaning of Yttrium. Synonyms of Yttrium

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Definition of Yttrium

Yttrium
Yttrium Yt"tri*um, n. [NL., from Ytterby, in Sweden. See Erbium.] (Chem.) A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 89. [Written also ittrium.] Note: Associated with yttrium are certain rare elements, as erbium, ytterbium, samarium, etc., which are separated in a pure state with great difficulty. They are studied by means of their spark or phosphorescent spectra. Yttrium is now regarded as probably not a simple element, but as a mixture of several substances.

Meaning of Yttrium from wikipedia

- Yttrium is a chemical element; it has symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and...
- Natural yttrium (39Y) is composed of a single isotope yttrium-89. The most stable radioisotopes are 88Y, which has a half-life of 106.6 days, and 91Y...
- Yttrium-90 (90 Y ) is a radioactive isotope of yttrium. Yttrium-90 has found a wide range of uses in radiation therapy to treat some forms of cancer....
- earths, and sometimes the lanthanides or lanthanoids (although scandium and yttrium, which do not belong to this series, are usually included as rare earths)...
- Yttrium oxide, also known as yttria, is Y2O3. It is an air-stable, white solid substance. The thermal conductivity of yttrium oxide is 27 W/(m·K). Yttrium...
- Yttrium perchlorate is the inorganic compound with the chemical formula Y(ClO 4) 3. The compound is an yttrium salt of perchloric acid. Dissolving yttrium...
- Yttrium aluminium garnet (YAG, Y3Al5O12) is a synthetic crystalline material of the garnet group. It is a cubic yttrium aluminium oxide phase, with other...
- temperature of 560 K. YIG may also be known as yttrium ferrite garnet, or as iron yttrium oxide or yttrium iron oxide, the latter two names usually ****ociated...
- An yttrium compound is a chemical compound containing yttrium (element symbol: Y). Among these compounds, yttrium generally has a +3 valence. The solubility...
- Yttrium oxide may refer to: Yttrium(II) oxide, YO, a dark brown solid Yttrium(III) oxide, Y2O3, a colorless solid This set index article lists chemical...