The book Quantitative Chemical Analysis was written by author Thomas Edward Thorpe Here you can read free online of Quantitative Chemical Analysis book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Quantitative Chemical Analysis a good or bad book?
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The sulphide is then treated as in No. XIII. , and the copper weighed as oxide. To the filtrate containing the zinc and nickel is added a solution of sodium carbonate until a slight permanent pre- cipitate is formed, which is then re-dissolved by the cautious addition of a few drops of hydrochloric acid. Pass sul- phuretted hydrogen through the liquid, and to ensure the complete precipitation of the zinc add a few drops of a very dilute solution of sodium acetate, and again treat with sul- phur...etted hydrogen. Allow to stand for twelve hours, and filter off the zinc sulphide ; wash it with sulphuretted hy- drogen water, dissolve in hydrochloric acid, and precipitate with sodium carbonate, filter, wash, dry, and ignite and weigh as zinc oxide. Boil the filtrate containing the nickel after the addition of a few drops of hydrochloric acid, and pre- cipitate with caustic soda (best in a porcelain basin), filter off the nickel hydrate, wash, dry, and ignite and weigh as nickel oxide. XV. BRITANNIA METAL.
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