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Synthesis

Chemistry in Pictures: Panning for gold

by Bethany Halford
November 28, 2018

 

LN-panningforgold.jpg
Credit: J. Am. Chem. Soc. 2018, DOI: 10.1021/jacs.8b09555

Wendy L. Queen, Daniel T. Sun, and coworkers at the Swiss Federal Institute of Technology, Lausanne (EPFL) developed a metal-organic framework-polymer composite that pulls gold ions from solution and reduces them to metallic gold. After the chemists removed the composite with heat and acid, they were left with micrometer-sized gold nuggets, seen here through an optical microscope.

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