<div><b><span style="font-size: 12pt; ">A Chinese student has extracted pure gold from scrap CPUs, earning him the title 'modern alchemist'.</span></b></div><div><br /></div><div>Li Dianwu, a chemistry senior at Nankai University in Tianjin in north China, dissolved useless CPUs in a solution of sulfuric acid, thiourea and hydrogen peroxide, and filtered the solution with activated carbon.</div><div><br /></div><div>Then he put the metal-filled activated carbon in a muffle furnace and extracted 65 milligrams of gold at a temperature of 1,100 degrees Celsius, the Shanghai Morning Post reported Wednesday.</div><div><br /></div><div>The three pinhead-sized beads are 99.99 percent pure gold, Li told the newspaper after he posted 20 photos of his gold extracting process on the popular social networking website, renren.com.u00a0</div><div><br /></div><div>His post immediately drew more than 60,000 viewers.</div><div><br /></div><div>Though Li's process is not poisonous, a chemical expert surnamed Ye told people not to follow his example because the method requires professional knowledge and equipment.</div>        

A Chinese student has extracted pure gold from scrap CPUs, earning him the title 'modern alchemist'.

Student extracts gold from scrap CPUs

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