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<p>[QUOTE="Burton Strauss III, post: 4026645, member: 59677"]Nope...</p><p><br /></p><p>From the paper:</p><p><br /></p><p>><b><font size="4">Abstract</font></b></p><p>>A new 18 karat light gold, composed of gold single crystals, amyloids, and a polymer latex matrix is developed. It is similar to a glassy plastic, yet lighter than aluminum and of use in watches, jewelry, radiation shielding, catalysis, and electronics. The material is prepared via a hydrogel precursor dried into an aerogel. Annealing of the polystyrene matrix under vacuum gives rise to a homogeneous template. The final apparent density and porosity of the material depend directly on the volumetric concentration of the starting solution used for hydrogel formation. After annealing, a homogeneous microstructure is obtained in which the shining gold single crystal platelets are evenly embedded in a polystyrene matrix. The material has a glass transition temperature of ≈105 °C which allows for annealing and molding above this temperature. A general scaling behavior is found for the Young's modulus of the material with the density. The Young's modulus of the material with a density of 1.7 g cm−3 is ≈50 MPa. The density and stiffness, as well as the color, of the material can be tuned depending on the final application.</p><p><br /></p><p>If it's polystyrene, then it dissolves in Acetone, Xylene, Benzene, and Toluene...</p><p><br /></p><p><a href="https://www.acs.org/content/acs/en/pressroom/newsreleases/2016/may/making-polystyrene-dissolve-like-magic-video.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.acs.org/content/acs/en/pressroom/newsreleases/2016/may/making-polystyrene-dissolve-like-magic-video.html" rel="nofollow">https://www.acs.org/content/acs/en/pressroom/newsreleases/2016/may/making-polystyrene-dissolve-like-magic-video.html</a></p><p><br /></p><p>"I had my nails done and my wedding ring dissolved into gold dust"[/QUOTE]</p><p><br /></p>
[QUOTE="Burton Strauss III, post: 4026645, member: 59677"]Nope... From the paper: >[B][SIZE=4]Abstract[/SIZE][/B] >A new 18 karat light gold, composed of gold single crystals, amyloids, and a polymer latex matrix is developed. It is similar to a glassy plastic, yet lighter than aluminum and of use in watches, jewelry, radiation shielding, catalysis, and electronics. The material is prepared via a hydrogel precursor dried into an aerogel. Annealing of the polystyrene matrix under vacuum gives rise to a homogeneous template. The final apparent density and porosity of the material depend directly on the volumetric concentration of the starting solution used for hydrogel formation. After annealing, a homogeneous microstructure is obtained in which the shining gold single crystal platelets are evenly embedded in a polystyrene matrix. The material has a glass transition temperature of ≈105 °C which allows for annealing and molding above this temperature. A general scaling behavior is found for the Young's modulus of the material with the density. The Young's modulus of the material with a density of 1.7 g cm−3 is ≈50 MPa. The density and stiffness, as well as the color, of the material can be tuned depending on the final application. If it's polystyrene, then it dissolves in Acetone, Xylene, Benzene, and Toluene... [URL]https://www.acs.org/content/acs/en/pressroom/newsreleases/2016/may/making-polystyrene-dissolve-like-magic-video.html[/URL] "I had my nails done and my wedding ring dissolved into gold dust"[/QUOTE]
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