Zirconium | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-08

This is an audio version of the Wikipedia Article:
Zirconium


00:00:44 1 Characteristics
00:02:10 1.1 Isotopes
00:04:02 1.2 Occurrence
00:05:18 2 Production
00:06:32 2.1 Separation of zirconium and hafnium
00:08:09 3 Compounds
00:08:39 3.1 Oxides, nitrides, and carbides
00:10:02 3.2 Halides and pseudohalides
00:10:46 3.3 Organic derivatives
00:11:41 4 History
00:13:00 5 Applications
00:13:17 5.1 Compounds
00:14:21 5.2 Metal
00:15:14 5.2.1 Nuclear applications
00:17:16 5.2.2 Space and aeronautic industries
00:17:46 5.3 Positron emission tomography cameras
00:18:48 5.4 Biomedical applications
00:20:39 5.5 Defunct applications
00:21:00 6 Safety
00:23:45 7 See also



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SUMMARY
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Zirconium is a chemical element with symbol Zr and atomic number 40. The name zirconium is taken from the name of the mineral zircon, the most important source of zirconium. It is a lustrous, grey-white, strong transition metal that closely resembles hafnium and, to a lesser extent, titanium. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. Zirconium forms a variety of inorganic and organometallic compounds such as zirconium dioxide and zirconocene dichloride, respectively. Five isotopes occur naturally, three of which are stable. Zirconium compounds have no known biological role.