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Showing: 1 to 10 of 79 matches for "calcium ammonium thiosulfate"  Page   1   2   3   4   5   6   7   8 TITLE Ammonium Thiosulfate Heap Leaching  SUMMARY ... encountered localized zones of low pH due to either ammonium thiosulfate degradation or ... and form very fine suspended elemental sulfur along with calcium sulfate ... AUTHOR Bhakta, Pragna PUBLISHED 2003 TITLE The Future Of Solution And In-Situ Mining Restoration ? Introduction  SUMMARY ... Thiosulfate is a harmless reagent and would be left in .place in ... (50-200 g/L) ammonium ... without an appreciable drop in pH, thus keeping any calcium carbonate to ... AUTHOR Jacobson, R. PUBLISHED 1987 TITLE Can A Thiosulfate Leaching Process Be Developed Which Does Not Require Copper And Ammonia?  SUMMARY ... The other additive tested was calcium ions, since they will usually be present ... of additives on the gold oxidation half reaction in 0.2M ammonium thiosulfate. ... AUTHOR Chandra, Irsan PUBLISHED 2003 TITLE Banning Cyanide Use at McDonald – An Attack on Open-Pit Mining  SUMMARY ... Dominant constituents are sodium, calcium, cyanide and silicon. Very low dissolved metal con- centrations. • Ammonium thiosulfate system. ... AUTHOR De Voto, Richard H. PUBLISHED 2000 TITLE Agricultural Materials - Fertilizers  SUMMARY ... In that process the sulfuric acid reacts with calcium in phosphate rock, resulting in the formation ... Ammonium thiosulfate [(NH4),S,031 is a widely used sulfur ... AUTHOR Harre, Edwin A. ; Mortvedt, John J. PUBLISHED 1994 TITLE Halogen Solvents in Precious Metal Ores Processing  SUMMARY ... of widely-varying chemical structures--chlorine gas, calcium and sodium ... Acidic thiourea, ammonium thiosulfate and chlorine/chloride solutions were mentioned as ... AUTHOR Ramadorai, Gopalan PUBLISHED 1994 TITLE A Novel Thiosulfate System For Leaching Gold Without The Use Of Copper And Ammonia  SUMMARY ... If carbonate is associated only with calcium, the ore contained 25.5 ... In experimental studies by other researchers using ammonium thiosulfate, a thiosulfate ... AUTHOR Ji, Jinxing PUBLISHED 2003 TITLE Fertilizer Minerals  SUMMARY ... In that process the sulfuric acid reacts with calcium in the rock ... Ammonium thiosulfate [ (NH,) ,S20,] is per- haps the most widely used sulfur carrier in the ... AUTHOR Bryant, John P. ; Kincheloe, Samuel PUBLISHED 1983 TITLE Fertilizer Minera1s  SUMMARY ... sources nitrogen include ammonium nitrate (NH,NO available in both solid (33% N,) and liq ( 19% N) forms; ammonium sulfate [(NH, SO,-21 % N] calcium nitrate [Ca ... AUTHOR Bryant, John P. PUBLISHED 1975 TITLE Status Of Heap, Dump, And In Situ Leaching Of Gold And Silver  SUMMARY ... used in the past for destroying residual cyanide has been calcium hypochlorite but ... mining of argentite with a lixivi- ant of ammonium thiosulfate and ammonium ... AUTHOR Chamberlin, Paul D. PUBLISHED 1989 Showing: 1 to 10 of 79 matches for "calcium ammonium thiosulfate"  Page   1   2   3   4   5   6   7   8 Search Again