yttrium


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yttrium

 [ĭ´tre-um]
a chemical element, atomic number 39, atomic weight 88.905, symbol Y. (See Appendix 6.) The radioisotope 90Y emits high energy beta particles, localizes predominantly in bone, and has been used in radiotherapy.

yt·tri·um (Y),

(it'rē-ŭm),
A metallic element, atomic no. 39, atomic wt. 88.90585.
[Ytterby, village in Sweden]

yttrium

/yt·tri·um/ (ĭ´tre-um) chemical element, at. no. 39, symbol Y. The radioisotope 90Y emits high energy beta particles, localizes predominantly in bone, and has been used in radiotherapy.

yttrium (Y)

[it′rē·əm]
Etymology: Ytterby, Sweden
a scaly, grayish metallic element. Its atomic number is 39, and its atomic mass (weight) is 88.905. Radioactive isotopes of yttrium have been used in cancer therapy.

yttrium

 An ultrarare metalic element–atomic number, 39; atomic weight, 88.9–named after Ytterby in southern Sweden, which may be used in nuclear medicine scans

yt·tri·um

(Y) (it'rē-ŭm)
A metallic element, atomic no. 39, atomic wt. 88.90585.

yt·tri·um

(Y) (it'rē-ŭm)
A metallic element used in lasers.

yttrium (Y) (it´rēəm),

n a scaly, grayish metallic element with an atomic number of 39 and an atomic weight of 88.9059. Radioactive isotopes of yttrium have been used in cancer therapy.

yttrium

a chemical element, atomic number 39, atomic weight 88.905, symbol Y. See Table 6.
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Suppliers (trading companies) of Yttrium oxide (including contact details)
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Shiflet and his colleagues at the University of Virginia in Charlottesville, who were aware of Widom's findings, recently succeeded in making glassy steels by adding erbium, yttrium, or other trace elements to their iron-based mixture.
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2 ppm uranium, as well as elevated amounts of hafnium, niobium, tantalum, yttrium, thorium, tungsten, and zircon.
In labs throughout the world, researchers are racing to develop wire from another high-temperature superconductor called yttrium barium copper oxide, or YBCO (pronounced ibco).
Bosch's Ir Fusion is the only spark plug which combines platinum and iridium in the center core and uses yttrium as a technological design component, according to Kashnowski.
The compounds consist of repeating horizontal layers of copper and oxygen atoms separated by layers of transition metals, such as lanthanum and yttrium, which contribute mobile, positive electric charges known as holes.
Although there are sources of yttrium-90 other than weapons wastes, "our yttrium is the purest.