Hand Book of Chemistry Volume 9

Hand Book of Chemistry Volume 9

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1855 edition. Excerpt: ...When hippuric acid is boiled for half an hour with hydrochloric acid, the liquid left to itself till the benzoic acid has separated by cooling, and the mother-liquor decanted and evaporated, long prisms are obtained from which the glycocol may be separated by carbonate of lead. (Dessaigncs). The mother-liquor evaporated to a syrup and cooled, deposits long flat prisms, which, when washed with alcohol after the mother-liquor has been decanted, are transparent and strongly lustrous; they have a.sour and slightly astringent taste; are not changed by keeping them over oil of vitriol; deliquesce slowly in the air; and dissolve readily in water and hydratcd alcohol, but sparingly in absolute alcohol (Horsford). Crystals dried over oil of vitriol. Horsford. 4C 24 0.... 21-54 21-20 N 14-0.... 12-57 12 57 6II 6 0.... 5-39 5-95 4 0 32 0.... 28-72 28 34 CI 35-4.... 31-78 31-94 C4NHS04, HC1.... 111-4.... 100 00 100 00 According to Horsford, there are certain basic compounds to be noticed under this head also. Di-hydrochloraie of Glycocol.--a. With comparatively little water.--When hydrochloric acid is added to a concentrated aqueous solution of glycocol, and then a quantity of alcohol sufficient to produce a slight turbidity, crystals are formed which increase if alcohol be repeatedly dropped into the liquid; larger crystals may be obtained by slow evaporation over oil of vitriol.--Rhombic prisms; u: u'=87; of acid and sweet taste; permanent in the air. /3. With more water.--Obtained by dissolving glycocol in aqueous hydrochloric acid--which need not be used in exactly equivalent proportion--and leaving the solution to crystallize (Horsford). Crystals a. 2CNHK)4, HCl 186-4.... 10000 Sesquibasic Hydrochlorate of Glycocol.--a. With comparatively little...show more

Product details

  • Paperback | 238 pages
  • 189 x 246 x 13mm | 431g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236570529
  • 9781236570529