Efficient extraction of gold from water by liquid–liquid extraction or .
Extraction of tetrachloroaurate or tetrabromoaurate anions has been carried out using several ionic liquids bearing trialkyl(2-ethoxy-2-oxoethyl)ammonium (alkyl.Más información
Separation and Enrichment of Gold in Water, Geological - NCBI
Separation and Enrichment of Gold in Water, Geological and Environmental Samples by Solid Phase Extraction on Multiwalled Carbon Nanotubes Prior to its.Más información
Sewage sludge could contain millions of dollars worth of gold .
Jan 16, 2015 . If the holy grail of medieval alchemists was turning lead into gold, how . which mixes toilet water with effluent from industrial manufacturing,.Más información