Gold Nanopowder
http://www.cosmoscience.org/shop/fm-sr-84500-gold-nanopowder-24118
http://www.cosmoscience.org/web/image/product.template/24118/image_1920?unique=2daf0d8
Ultra-high purity gold nanopowder with 90nm particle size, ideal for catalysis, electronics, and biomedical applications. 1g
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