News tagged with precious metals
Where does all the gold come from?
Ultra high precision analyses of some of the oldest rock samples on Earth by researchers at the University of Bristol provides clear evidence that the planet's accessible reserves of precious metals are the ...
Space & Earth / Earth Sciences
Sep 07, 2011 |
4.4 / 5 (24) |
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Nanotechnology promises better catalytic converter
(PhysOrg.com) -- Control over material properties would reduce the amount of platinum needed.
Nanotechnology / Nanomaterials
Sep 27, 2010 |
5 / 5 (3) |
0
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Big, bad bacterium is an 'iron pirate'
(PhysOrg.com) -- Life inside the human body sometimes looks like life on the high seas in the 1600s, when pirates hijacked foreign vessels in search of precious metals.
Feb 21, 2012 |
4.3 / 5 (3) |
0
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Silver nanoparticles trap mercury
(PhysOrg.com) -- Anyone who thinks amalgams are limited to tooth fillings is missing something: Amalgams, which are alloys of mercury and other metals, have been used for over 2500 years in the production ...
Nanotechnology / Nanomaterials
Feb 16, 2012 |
5 / 5 (1) |
0
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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) |
9
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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 |
5 / 5 (1) |
0
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Chinese researchers look at possibility of capturing asteroids in Earth orbit
(PhysOrg.com) -- In an interesting twist regarding the study of asteroids and what happens when they come close to our planet, Hexi Baoyin and his two colleagues, Yang Chen and Junfeng Li at Tsinghua University ...
Space & Earth / Space Exploration
Sep 02, 2011 |
4 / 5 (10) |
28
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Silver saver: Nanotechnology keeps the shine on silver
(PhysOrg.com) -- Anyone who's ever polished silver knows that keeping the tarnish at bay is never ending work. But, you may not know that polishing also rubs away some of the precious metal, whether it's your ...
Nanotechnology / Nanomaterials
Apr 12, 2011 |
4.7 / 5 (3) |
1
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Japan deep-sea robots to seek minerals: report
Resource-poor Japan plans to use deep-sea mining robots to exploit rare earths and precious metals on the ocean floors around the island nation within a decade, according to a media report.
Jan 07, 2011 |
5 / 5 (2) |
0
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) |
2
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Geologist says there's no need to fight over mineral resources
It's easy to be a pessimist in a world full of calamities. But for those worried about the continuing availability of natural resources, data from the ocean makes a good case for optimism, says economic geologist Lawrence ...
Space & Earth / Earth Sciences
Oct 07, 2010 |
4.7 / 5 (13) |
18
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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) |
5
Catalytic Catamarans: Common industrial catalyst sports rafts made of platinum
Catalysts convert useless or unwanted chemicals into useful or more desirable ones. Research in this week's Science reveals new, important details about a common catalyst: how rafts of chemically reactive platin ...
Sep 24, 2009 |
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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 |
4.5 / 5 (12) |
4
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) |
1
