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Electroplating with Palladium

with copper by the cyanide solution, the sul- Palladium is a metal very easily deposited. phate will make these parts of a dark color, The solution is prepared by dissolving the which a touch of the finger will remove. metal in nitro-muriatic acid, and evaporating When such is the case, the article must be the solution nearly to dryness; then adding taken out, scoured, and put again into the cyanide of potassium till the whole is discyanide solution till perfectly covered. A solved; the solution is then filtered and ready little practice will render this very easy. The for use. The cyanide of potassium holds a sulphate solution, when used for covering iron, large quantity of this metal in solution, and should be prepared by adding to it by degrees the electrode is acted upon while the deposit a little caustic soda, so long as the precipitate is proceeding. Articles es covered with this formed is redissolved. This neutralizes a metal assume the appearance of the metal; great portion of the sulphuric acid, and thus but so far as we are aware, it has not yet. the iron is not so readily acted upon. been applied to any practical purpose. It