The Mineral Content of Illinois Waters Volume 10

The Mineral Content of Illinois Waters Volume 10

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 edition. Excerpt: ...Acid and the Alkalies.--Heat the other filtrate from the silicious matter to boiling and add an excess of a solution of barium chloride, a drop at a time, with constant stirring. Allow to remain in a warm place for at least thirty minutes, stirring at intervals. Filter, ignite, and weigh as barium sulphate, (BaSO). Compare Fresenius, I, p. 434. Sodium and Potassium.--Evaporate the filtrate from the barium sulphate to dryness, add water, heat to boiling and treat the boiling solution with slight excess of alkali free barium hydroxide, Ba(OH), . Filter and add to the filtrate ammonium carbonate and ammonia. Filter cff the precipitate so obtained, evaporate the filtrate to dryness in a platinum dish and ignite to drive off the ammonium salts. Eepeat the operation as often as necessary to remove any magnesium that may remain, and after igniting weigh the alkali chlorides. Potassium.--To separate the potassium chloride from the sodium chloride convert all into the double platinum salt by adding platinic chloride. Treat with 80 per cent alcohol. Filter, wash with alcohol and dry or filter. Dissolve the potassium platinic chloride thus obtained by washing the precipitate on the filter with boiling water. Evaporate to dryness, dry, weigh as potassium platinic chloride, and calculate as potassium. Sodium, --Calculate the equivalent of potassium chloride and deduct from the weight of the combined chlorides of sodium and potassium. The difference is sodium chloride and is calculated to sodium. Chlorides and Nitrates.--The methods used for mineral analysis are the same as used for the sanitary analysis. See pages 31 and 34. METHOD OF REPORTING ANALYSES OF THE MINERAL CONTENT. The results obtained in the analysis of the mineral content are expressed in ionic.show more

Product details

  • Paperback | 36 pages
  • 189 x 246 x 2mm | 82g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236649060
  • 9781236649065