The Owens College Course of Practical Organic ChemistryMacmillan, 1887 - 200 páginas |
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Página 6
... dissolves out the alcohol and forms a layer at the bottom of the liquid , and is drawn off by means of a separating funnel . The ether , separated as carefully as possible from water in this way , is dehydrated over fused calcium ...
... dissolves out the alcohol and forms a layer at the bottom of the liquid , and is drawn off by means of a separating funnel . The ether , separated as carefully as possible from water in this way , is dehydrated over fused calcium ...
Página 14
... dissolved out , and the liquid loses gradually its red colour . The oil is allowed to settle and carefully drawn off from below . It is shaken repeatedly with water in a similar manner , and finally dehydrated over a few pieces of fused ...
... dissolved out , and the liquid loses gradually its red colour . The oil is allowed to settle and carefully drawn off from below . It is shaken repeatedly with water in a similar manner , and finally dehydrated over a few pieces of fused ...
Página 20
... dissolved , the flask is transferred to the water - bath and heated for about half an hour . The liquid now con- tains no drops of oil and the smell of nitrobenzene should have disappeared . The contents of the flask , which on cooling ...
... dissolved , the flask is transferred to the water - bath and heated for about half an hour . The liquid now con- tains no drops of oil and the smell of nitrobenzene should have disappeared . The contents of the flask , which on cooling ...
Página 26
... , and dried at 100 ° . In order to dissolve out any ortho - nitracetanilide from the para - compound , the dried substance is powdered and washed with cold chloroform until 26 PRACTICAL ORGANIC CHEMISTRY . Ortho- and para-nitracetanilide.
... , and dried at 100 ° . In order to dissolve out any ortho - nitracetanilide from the para - compound , the dried substance is powdered and washed with cold chloroform until 26 PRACTICAL ORGANIC CHEMISTRY . Ortho- and para-nitracetanilide.
Página 27
... dissolves it , forming a deep red layer at the bottom of the vessel . This is carefully separated . On distilling ... dissolved in a small quantity of alcohol , in which the substance is readily soluble . To the hot alcoholic solution ...
... dissolves it , forming a deep red layer at the bottom of the vessel . This is carefully separated . On distilling ... dissolved in a small quantity of alcohol , in which the substance is readily soluble . To the hot alcoholic solution ...
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Términos y frases comunes
50 grms absolute alcohol acetic acid action aldehyde allyl ammonia ammonium anhydrous aniline aromatic Assistant-Master atom benzaldehyde benzene benzoic acid benzoyl chloride benzyl boiling calcium chloride Cambridge caustic potash caustic soda chloroform cold colour colourless compound conc containing cooling Crown 8vo crystals decomposes dilute dissolved distilled ELEMENTARY ethylene bromide evolution Extra fcap fatty Fcap Fellow of Trinity Fifty grms filtered filtrate Fittig formed fumes Globe 8vo glycerin Greek grms H₂O heated hot water hundred grms hydrochloric acid hydrogen iodide John's College late Fellow layer litre capacity LL.D mesitylene mixture nitric acid oxalic acid Pharm phenol phosphorus Phys potassium carbonate potassium cyanide powdered Prep PREPARATION PRIMER Professor Properties.-Colourless liquid purified reaction reflux condenser residue retort revised round-bottomed flask salt School separated slowly added small quantity soda solution sodium solidifies soluble in water sulphuric acid temperature Trinity College tube vessel washed water-bath
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