Tag Archives: gold

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Exposure to air transforms gold alloys into catalytic nanostructures

June 12, 2013 – 9:03 pm
  • Exposure to air transforms gold alloys into catalytic nanostructures - Scientists have created promising gold-indium oxide nanoparticles through room-temperature oxidation.(10.1073/pnas.1305388110)

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    Making gold green: New non-toxic method for mining gold

    May 16, 2013 – 3:00 pm
  • Making gold green: New non-toxic method for mining gold - Scientists have struck gold in the laboratory. They have discovered an inexpensive and environmentally benign method that uses simple cornstarch -- instead of cyanide -- to isolate gold from raw materials in a selective manner. This green method extracts gold from crude sources and leaves behind other metals that are often found mixed together with the crude gold.(10.1038/ncomms2891)

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    Mysterious catalyst explained: how gold nanoparticles aid the production of plastic components

    May 1, 2013 – 3:35 am
  • Mysterious catalyst explained: how gold nanoparticles aid the production of plastic components - From methanol to formaldehyde - this reaction is the starting point for the synthesis of many everyday plastics. Using catalysts made of gold particles, formaldehyde could be produced without the environmentally hazardous waste generated in conventional methods. Just how the mysterious gold catalyst works has been found out by theoretical and experimental researchers at the Ruhr-Universität Bochum in a cooperation project.(10.1002/anie.201301868)

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