Gold extraction with BORAX instead of mercury for small-scale miners

10/09/2012 5:06 pm

  • Source: The Geological Survey of Denmark and Greenland
La vidéo dans son contexte d'origine

Learn how to make more gold with borax instead of mercury. Description of a new environmentally beneign gold extraction method which will make use of mercury for gold extraction redundant. Thhis methods is used in Philippines.
GEUS

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9min 48sec