Table of ContentsEffect of SilicaEffect of Calcium CompoundsEffect of Magnesium CompoundsEffect of IronEffect of Nickel and CobaltEffect of AluminiumEffect of ZincEffect of ArsenicEffect of CopperEffect of LeadEffect of MercuryEffect of Bismuth and TinEffect of SeleniumEffect of TelluriumEffect of SilverWashing Out the Soluble SaltsTreatment of the Insoluble ResidueAmalgamation of Gold Slimes during the Refining ProcessEffect of … Continue reading Effect of Impurities on Gold Slimes Refining Process