News tagged with precious materials
Colombia's tinted gold passes for precious stones
All that glitters is gold under a new thermochemical process developed by Colombian engineers for color-tinting the precious metal to make it look like sapphires, rubies or emeralds.
Apr 08, 2012 |
4.8 / 5 (4) |
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Fool's gold may prove an unlikely alternative to overexploited catalytic materials
Catalytic materials, which lower the energy barriers for chemical reactions, are used in everything from the commercial production of chemicals to catalytic converters in car engines. However, with current catalytic materials ...
Feb 10, 2012 |
4.4 / 5 (10) |
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Electrochemical dissolution of platinum in an ionic liquid
(PhysOrg.com) -- Precious metals, especially platinum, are important catalytic materials for many chemical reactions. For example, platinum is used in some fuel cells; however, broad commercialization of such ...
Jan 12, 2012 |
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Researchers develop alternative to gold in electrical applications
(PhysOrg.com) -- Researchers at the University of Connecticut, partnering with United Technologies Research Center (East Hartford, CT) engineers, have modeled and developed new classes of alloy materials for ...
Oct 13, 2010 |
4.8 / 5 (18) |
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Japan mines toxic e-waste for precious materials
Seeking to turn an environmental problem into an economic opportunity, high-tech companies in resource-poor Japan are mining mountains of toxic e-waste for precious materials.
Dec 17, 2009 |
4.9 / 5 (7) |
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Geologists point to outer space as source of the Earth's mineral riches
According to a new study by geologists at the University of Toronto and the University of Maryland, the wealth of some minerals that lie in the rock beneath the Earth's surface may be extraterrestrial in origin.
Space & Earth / Earth Sciences
Oct 18, 2009 |
4.1 / 5 (11) |
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A water splitter with a double role
(PhysOrg.com) -- There is a lot of hope invested in hydrogen, but it also presents some problems. It is energy-rich, clean and, as a constituent of water, of almost unlimited availability. However, so far ...
Mar 09, 2009 |
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