Extracting gold from rock - OpenLearn - Open UniversityFeb 27, 2007 . Information on how to extract gold from rock, one of the scientists' . That way, we can crush the rock without losing any of the precious gold.complete method extracting gold from quartz,'Green' gold extraction method replaces cyanide with starch | WIRED .May 20, 2013 . Chemistry postgraduate student Zhichang Liu has discovered -- by accident -- a new method of extracting gold, using (of all things) corn starch.
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