Encyclopedia of Practical Receipts and Processes

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Precipitated Carbonate of Zinc

tion of the neutral protochloride of tin. (Fuchs).

Take 12 troy ounces each sulphate of zinc 4121. Binoxide or Peroxide of Tin. and carbonate of soda; dissolve each separately in 4 pints water; mix the solutions and let the powder subside; pour off the liquid, wash the precipitate with hot water until the washings are nearly tasteless, and dry with a gentle heat. (U. S. Ph.)

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