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2014-06-09 08:23:01

LONDON, June 9, 2014 /PRNewswire/ -- Demand for tungsten filaments continues to fade. Global tungsten demand has increased on average by 2.7%py since 2008, although Roskill estimates this will slow to 2.6%py in the years to 2018 as its direct use in lighting applications diminishes. Representing 12% of total demand in 2013, tungsten used in lighting applications is forecast to decline by around 5%py in the years to 2018. The drop-off in demand is caused by the...

2012-05-02 20:58:52

Blood diamonds may get the most attention. But they are not the only minerals sold on the world market to finance wars and other conflicts in sub-Saharan Africa, according to an article in the current issue of Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society, the world's largest scientific society. The story, by C&EN Senior Editor Celia Henry Arnaud, focuses on minerals being mined in the Democratic Republic of the Congo (DRC) and...


Latest Wolframite Reference Libraries

28_4c92075430db139c69031a5075ed39d1
2005-05-25 11:09:11

Tungsten (formerly Wolfram) is a chemical element in the periodic table that has the symbol W (L. Wolframium) and atomic number 74. A very hard, heavy, steel-gray to white transition metal, tungsten is found in several ores including wolframite and scheelite and is remarkable for its robust physical properties. The pure form is used mainly in electrical applications but its many compounds and alloys are widely used in many applications (most notably in light bulb filaments and in space-age...

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Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.