KSIĄŻKI POWIĄZANE ZE SŁOWEM «YTTRIUM METAL»
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1
Biochemistry of Scandium and
Yttrium, Part 2: Biochemistry ...
... 10, 100, and 100 u.Ci, for 90Y, 9' Y, 92Y, and 93Y, respectively (L'Annunziata,
1979). Yttrium metal is flammable in the form of dust when reacted with air and
halogens. Yttrium nitrate and yttrium citrate are considered possible carcinogens,
...
2
Mineral Commodity Summaries, 2009
All yttrium metal and compounds used in the United States were imported.
Principal uses were in phosphors for color televisions and computer monitors,
temperature sensors, trichromatic fluorescent lights, and x-ray-intensifying
screens.
U S Geological Survey & Orienteering S, 2009
3
Extractive Metallurgy of Rare Earths
The analysis of yttrium metal produced by direct calciothermic reduction of YF3 in
the as-reduced form, just separated from CaF2 slag, is given in Table 5.2. The
analysis of the metal produced by the Y–Mg intermediate alloy process after ...
Nagaiyar Krishnamurthy, Chiranjib Kumar Gupta, 2004
4
Purification Process and Characterization of Ultra High ...
In another experimental setup, a mixture of yttrium metal turnings and yttria (Y203
) powder were placed in the titanium cup along with CaCl2. but without calcium
metal, to set the oxygen chemical potential at a value corresponding to Y/^Os ...
Yoshio Waseda, Minoru Isshiki, 2001
5
CRC Handbook of Chemistry and Physics: A Ready-reference ...
... oxide has a high melting point and imparts shock resistance and low
expansion characteristics to glass. Natural yttrium contains but one isotope. 89Y.
Forty- three other unstable isotopes and isomers have been characterized.
Yttrium metal ...
6
CRC Handbook of Chemistry and Physics, 93rd Edition
Natural yttrium contains but one isotope, 89Y . Forty-three other unstable
isotopes and isomers have been characterized . Yttrium metal of 99 .9% purity is
commercially available at a cost of about $5/g . Zinc — (Ger . Zink, of obscure
origin), Zn; ...
7
The History and Use of Our Earth's Chemical Elements: A ...
Yttriums ions are combined with fluorine ions that are then reduced by using
calcium metal that yields yttrium metal (3Ca + 2YF3 -4 2Y + 3CaF2). This
reduction process produces high-purity yttrium that can be formed into ingots,
crystals, ...
8
1998 Freshman Achievement Award
Natural yttrium contains but one isotope, *9Y Forty-three other unstable isotopes
and isomers have been characterized. Yttrium metal of 99.9% purity is
commercially available at a cost of about $5/g. Zinc — (Ger. Zink, of obscure
origin), Zn; ...
9
Nature's Building Blocks: An A-Z Guide to the Elements
The output of yttrium is about 9,000 tonnes per year, measured as yttrium oxide,
and world reserves are estimated to be around nine million tonnes. Yttrium metal
is produced by heating yttrium fluoride with calcium metal, but only a few tonnes ...
10
Sittig's Handbook of Toxic and Hazardous Chemicals and ...
Yttrium metal has a low cross section for neutron capture and is very stable at
high temperatures. Further, it is very inert toward liquid uranium and many liquid
uranium alloys. Thus, it may well have applications in nuclear power generation.
