Tungsten is a metallic chemical element classified among the transition metals of the periodic table of elements. In continental Europe, the chemical is often referred to by the alternative name of wolfram. That's why its chemical symbol is W and not T or Tu. It has the highest melting point and lowest vapor pressure of all metals. It also has excellent corrosion resistance and is not attacked easily by most mineral acids, so it is used a lot for glass-to-metal seals.
When we think of its uses, the light bulb may cone to mind first. How about its other potential applications?
By the way, my boss asked me to write an article less than 400 words about tungsten hexacarbonyl, but I don't have any ideas about it. Anyone could help me?What aspects should I write?
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Tungsten Just Used For Light Bulbs?
Started by Guest_ivanyang_*, Jul 13 2012 02:25 AM
tungsten tungsten hexacarbonyl
4 replies to this topic
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#1 Guest_ivanyang_*
Posted 13 July 2012 - 02:25 AM
#2
Posted 13 July 2012 - 04:06 PM
It is interesting to read the story of incandescent light bulbs in http://en.wikipedia....wiki/Light_bulb '> http://en.wikipedia....wiki/Light_bulb , and the increased efficiency (lumen/watt) of the new ones. Even halogen bulbs have tungsten filament, "evaporated" at a lower rate.
http://en.wikipedia....en_hexacarbonyl '> http://en.wikipedia....en_hexacarbonyl , http://www.sigmaaldr...ng=en®ion=GR '> http://www.sigmaaldr...ng=en®ion=GR , http://www.sciencedi...040609000009433 '> http://www.sciencedi...040609000009433 , other data from web search engines, can give you material for W(CO)6. Industrial preparation and mainly uses would be the matter I would point out.
http://en.wikipedia....en_hexacarbonyl '> http://en.wikipedia....en_hexacarbonyl , http://www.sigmaaldr...ng=en®ion=GR '> http://www.sigmaaldr...ng=en®ion=GR , http://www.sciencedi...040609000009433 '> http://www.sciencedi...040609000009433 , other data from web search engines, can give you material for W(CO)6. Industrial preparation and mainly uses would be the matter I would point out.
#3 Guest_ivanyang_*
Posted 18 July 2012 - 04:50 AM
Oh thanks ChE Plus Subscriber,thanks for the information you provided and your helpful suggestions.
#4
Posted 28 July 2012 - 03:08 PM
Tungsten is used significantly in spacecraft and satellites, due to the low vapour pressure at elevated temperature - in space the pressure is very low and temperatures due to radiation can be very high. use of other metals results in severe metal loss as the material sublimes into space.
Tungsten is also used in some alloys.
Tungsten is also used in some alloys.
#5
Posted 29 July 2012 - 04:39 AM
Hi ,
Hope this helps
http://wanttoknowit....es-of-tungsten/
http://www.tungsten....sable Metal.pdf
http://www.itia.info...ter_2011_06.pdf
http://nautilus.fis....lem/e07430.html
http://www.azom.com/...?ArticleID=1201
http://www.chemicool...s/tungsten.html
http://www.azom.com/...?ArticleID=1262
http://www.tungstenc...oducts-631.html
http://www.adexmining.com/tungsten.php
http://www.hcrosscom...ry/tungsten.htm
https://s3.amazonaws...nt/ch04s04.html
http://www.kingislan...index.php?id=12
http://www.itia.info...plications.html
http://www.thefabric...r-aluminum-gtaw
http://www.itia.info...ter_12_2010.pdf
http://www.lookchem....Table/Tungsten/
http://www.goodecarb...com/news/48.htm
http://www.chinatung...f-Tungsten.html
http://minerals.usgs...sten/680400.pdf
http://tungsten-wolf...f-tungsten.html
http://www.elmettech...ducts/Tungsten/
Regards
Shivshankar
Hope this helps
http://wanttoknowit....es-of-tungsten/
http://www.tungsten....sable Metal.pdf
http://www.itia.info...ter_2011_06.pdf
http://nautilus.fis....lem/e07430.html
http://www.azom.com/...?ArticleID=1201
http://www.chemicool...s/tungsten.html
http://www.azom.com/...?ArticleID=1262
http://www.tungstenc...oducts-631.html
http://www.adexmining.com/tungsten.php
http://www.hcrosscom...ry/tungsten.htm
https://s3.amazonaws...nt/ch04s04.html
http://www.kingislan...index.php?id=12
http://www.itia.info...plications.html
http://www.thefabric...r-aluminum-gtaw
http://www.itia.info...ter_12_2010.pdf
http://www.lookchem....Table/Tungsten/
http://www.goodecarb...com/news/48.htm
http://www.chinatung...f-Tungsten.html
http://minerals.usgs...sten/680400.pdf
http://tungsten-wolf...f-tungsten.html
http://www.elmettech...ducts/Tungsten/
Regards
Shivshankar
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