O-nitrosophenols as extractants for metal values
Obtaining aqueous solution from insoluble metal oxide
Obtaining copper (I) chloride from ores with acetonitrile
Octahedral molecular sieve possessing (4.times.4) tunnel structu
Opposite phase entrainment reduction in solvent extraction/elect
Ore beneficiation process
Organic impurity removal process for bayer liquors
Osmium-191/iridium-191m radionuclide
Overmolding insert for heat exchanger, process for...
Oxalic acid leaching of marine nodules
Oxidation of ferric chloride from selective chlorination of tita
Oxidation of metallic iron to black oxide pigments
Oxidation of polythionates
Oxidation-leaching of chalcopyrite
Oxidative dissolution of gallium arsenide and separation of gall
Ozone whitening of synthetic gypsum