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COLORIMETRY AND SPECTROPHOTOMETRY
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absorbed absorption acetate acid solution added alcohol alkali aluminum ammonia ammonium ammonium sulfide Anal analysis analytical antimony aqueous arsenic barium Bibliography bismuth boiling bromine cadmium calcium carbon dioxide cent cesium chelate Chem Chim chloride ion chromate chromium cobalt color colorimetric complex compounds concentration copper crucible cupferron curve determined dilute dissolved electrode electrolyte elements excess ferric ferrous sulfate fluoride Gravimetric Procedure heated hydrochloric acid hydrogen sulfide ignited insoluble iodate iodine iron magnesium manganese means measured mercury metals mixture molybdenum nickel nitric acid obtained oxalate oxide oxygen palladium perchloric phosphate platinum polarographic potassium iodide presence rare earths reaction reagent reduced rhenium rubidium salt sample separation silver small amounts sodium thiosulfate solu soluble solution containing spectrophotometric standard deviation standard potassium sub-group sulfuric acid tellurium temperature Thermogravimetric Analysis thiocyanate thiosulfate thorium tion titanium titrated titrated with standard Titrimetrically uranium vanadium washed zinc zirconium