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CHAPTBR PACK I SEMIMICRO METHODS
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acetic acid acid solution add 10 ml add 5 ml alkaline allow to stand aluminum ammonia ammonium hydroxide antimony arsenic barium beaker bismuth bromine buret cadmium calcium cent solution Chem chloric acid chromium cobalt cold water containing copper crucible cyanide decomposed decomposition dilute dissolved drop end point excess expelled ferric ferrous filter paper flask fluoride fumes funnel Fuse fusion gently gram heat to boiling hot water hydrochloric acid hydrofluoric acid hydrogen sulfide ignite insoluble residue interfere Interfering Elements iron lead sulfate liquid liter manganese material melt minutes mixture molybdenum nickel nitric acid obtained oxalate oxide permanganate solution peroxide phosphate platinum dish porcelain present Procedure reagent remove rinse salts sample saturated solution silica silver nitrate small amount sodium carbonate sodium hydroxide solu soluble spot plate standard stirring strong hydrochloric acid strong nitric acid strong sulfuric acid sulfuric acid tion titanium titration tube uranium vanadium warm weigh zinc