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Gold/Mining/Energy : Tyhee (Toronto Stock Exchange)
TDC 21.59+3.5%Nov 3 4:00 PM EST

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From: d:oug8/2/2007 2:13:50 PM
   of 695
 
Aug 2 ... additional gold and tungsten (WO(3)) results

stockhouse.ca

from the Nicholas Lake Main Zone, part of its wholly-owned Yellowknife Gold Project

Tungsten(VI) oxide From Wikipedia, the free encyclopedia
en.wikipedia.org

Tungsten(VI) oxide, also known as tungsten trioxide or tungstic anhydride, WO3,
is a chemical compound containing oxygen and the transition metal tungsten.

It is obtained as an intermediate in the recovery of tungsten from its minerals.

Tungsten ores are treated with alkalis to produce WO3.

Further reaction with carbon or hydrogen gas reduces tungsten trioxide to the pure metal.

2WO3 + 3C + heat -> 2W + 3CO2
WO3 + 3H2 + heat -> W + 3H2O

en.wikipedia.org
en.wikipedia.org
en.wikipedia.org
en.wikipedia.org
en.wikipedia.org
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