Inorganic General, Medical and Pharmaceutical Chemistry: Theoretical and Practical; A Text-Book and Laboratory Manual, Containing Theoretical, Descriptive, and Technological Chemistry; Class Exercises in Chemical Equations and Mathematics; And Practical M
Inorganic General, Medical and Pharmaceutical Chemistry: Theoretical and Practical; A Text-Book and Laboratory Manual, Containing Theoretical, Descriptive, and Technological Chemistry; Class Exercises in Chemical Equations and Mathematics; And Practical M
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. 1900 Excerpt: ...OXIODIDUM. (Oxy-iodide of Bismuth.) OBiI=350.5. Bismuth subnitrate 12 parts Potassium iodide 7 parts Distilled water 15 parts Mix and digest together in a bottle for an hour, shaking occasionally. Then transfer to a filter, and wash with warm water until the washings are tasteless. Drain, and dry between filterpaper. ...
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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. 1900 Excerpt: ...OXIODIDUM. (Oxy-iodide of Bismuth.) OBiI=350.5. Bismuth subnitrate 12 parts Potassium iodide 7 parts Distilled water 15 parts Mix and digest together in a bottle for an hour, shaking occasionally. Then transfer to a filter, and wash with warm water until the washings are tasteless. Drain, and dry between filterpaper. Reaction. BiON03.H20+KI=KXVf BiOI+H, O. O. Kaspar's Method. Crystallized normal bismuth nitrate 94.5 Gm Distilled water 30 liters Nitric acid, the least quantity sufficient to dissolve the bismuth nitrate in the water. Make a solution: Potassium iodide 33.2 Gm Distilled water 3 liters Dissolve. Mix the two solutions. When the brown precipitate has changed to yellowish and finally to brick-red, wash it by decantation and afterward on a filter, and dry it at about 100 C. B. Fischer's Method. Crystallized normal bismuth nitrate.... 95.4 Gm Glacial acetic acid 120 ml Potassium iodide 33.2 Gm Sodium acetate 5o Gm Distilled water, sufficient. Dissolve the bismuth nitrate in the glacial acetic acid. Dissolve the potassium iodide and the sodium acetate in 2 liters of distilled water. Mix the clear solutions, constantly stirring, pouring the bismuth solution gradually into the other. A yellowish-brown precipitate is formed, which changes to lemon-yellow, and finally to brick-red. Wash the precipitate by decantation and dry it at 100 C. Should be kept protected from light. Description.--A brick-red, micro-crystalline powder, odorless, tasteless, insoluble in water and in alcohol. On ignition it should yield not less than 66 per cent of Bi2O3. Solution of soda, 240 ml, or sufficient. Triturate the bismuth nitrate to powder; add the glycerin and stir until dissolved; then gradually add solution of soda until a precipitate no longer forms, stirring well; was...
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