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Synthesis
Chemistry In Pictures
Chemistry in Pictures: Panning for gold
by Bethany Halford
November 28, 2018
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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