 | 1873 - 502 páginas
...precipitate of sulphate of lime is formed. After this has subsided, the greater part of the liquid can be poured off, the rest being filtered through...till caustic soda no longer produces any turbidity in the passing liquid. The filtrate is now reduced .to a small volume by heating on a water-bath, and... | |
 | Friedrich August Flückiger, Daniel Hanbury - 1874 - 754 páginas
...Let the capsule be now heated on a water-bath until all the spirit shall have been expelled ; and let the remaining liquor which contains all the alkaloids in the form of acid sulphates, be filtered. There will remain on the filter quinovic acid and fatty substances, which must he washed... | |
 | John Attfield - 1875 - 808 páginas
...which the distilling-apparatus is subsequently washed. The capsule is now heated on a water-bath til; all the spirit has been expelled, and the remaining...till caustic soda no longer produces any turbidity in the passing liquid. The filtrate is now reduced to a small volume bv heating on a water-hath, and while... | |
 | John Attfield - 1876 - 702 páginas
...are now slightly acidulated with weak sulphuric acid, whereby a precipitate of sulphate of calcium is formed. After this has subsided, the greater part...till caustic soda no longer produces any turbidity in the passing liquid. The filtrate is now reduced to a small volume by heating on a water-bath, and while... | |
 | John Muter - 1878 - 666 páginas
...residual liquid into a capsule, and heat it on a water bath, until the spirit is wholly expelled. Filter the remaining liquor, which contains all the alkaloids in the form of acid sulphates, and wash the residue (quinovic acid and fatty matter) with water, slightly acidulated with sulphuric... | |
 | John Attfield - 1879 - 734 páginas
...added to the liquid in the capsule. The capsule is now heated on a water-batli till free from alcohol, and the remaining liquor, which contains all the alkaloids...in the form of acid sulphates, is, after cooling, passed through a small filter. On the filter remains a mixture of quinovine* and fatty substances,... | |
 | Friedrich August Flückiger, Daniel Hanbury - 1879 - 836 páginas
...Let the capsule be now heated on a water-bath until all the spirit shall have been expelled; and let the remaining liquor which contains all the alkaloids in the form of acid sulphates be filtered. There will remain on the filter quinovic acid and fatty substances, which must be washed... | |
 | Friedrich August Flückiger, Daniel Hanburgy - 1879 - 838 páginas
...Let the capsule be now heated on a water-bath until all the spirit shall have been expelled ; and let the remaining liquor which contains all the alkaloids in the form of acid sulphates be filtered. There will remain on the filter quinovic acid and fatty substances, which must be washed... | |
 | John Muter - 1880 - 666 páginas
...residual liquid into a capsule, and heat it on a water-bath, until the spirit is wholly expelled. Filter the remaining liquor, which contains all the alkaloids in the form of acid sulphates, and wash the residue (quinovic acid and fatty matter) with water, slightly acidulated with sulphuric... | |
 | John Attfield - 1881 - 854 páginas
...added to the liquid in the capsule. The capsule is now heated on a water-bath till free from alcohol, and the remaining liquor, which contains all the alkaloids...in the form of acid sulphates, is, after cooling, passed through a small filter. On the filter remains a mixture of quinovine* and fatty substances,... | |
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After this has subsided the greater part of the liquor can be poured off, the rest being filtered through a small filter. The clear liquid is now distilled to obtain the greater part of the spirit used, and the remaining liquid poured into a capsule,... 
