The Owens College Course of Practical Organic ChemistryMacmillan, 1887 - 200 páginas |
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Página 7
... allowed to settle and the lower layer of acid drawn off . The benzene is then shaken two or three times with water to free it from acid , carefully separated from the aqueous layer and allowed to remain in contact with pieces of fused ...
... allowed to settle and the lower layer of acid drawn off . The benzene is then shaken two or three times with water to free it from acid , carefully separated from the aqueous layer and allowed to remain in contact with pieces of fused ...
Página 10
... allowed to flow back into the flask only the lower boiling portion passes into the condenser , and the separation is more I FIG . 4 . FIG . 5 FIG . 6 . FIG . 7 . FIG . 8 . The apparatus of Linnemann ( Figs . 4 and 5 ) contains a series ...
... allowed to flow back into the flask only the lower boiling portion passes into the condenser , and the separation is more I FIG . 4 . FIG . 5 FIG . 6 . FIG . 7 . FIG . 8 . The apparatus of Linnemann ( Figs . 4 and 5 ) contains a series ...
Página 13
... from the top of the condenser have nearly ceased . The product , * Denotes that the operation must be conducted in a draught cupboard or in the open air . which has a deep red colour , is allowed to BROMOBENZENE . 13.
... from the top of the condenser have nearly ceased . The product , * Denotes that the operation must be conducted in a draught cupboard or in the open air . which has a deep red colour , is allowed to BROMOBENZENE . 13.
Página 14
... 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 calcium chloride . The clear liquid decanted from the calcium chloride 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 calcium chloride . The clear liquid decanted from the calcium chloride is ...
Página 15
... of ice ( Fig . 10 ) . The mixture of 60 grms . bromobenzene and 52 grms . ethyl bromide , both of which must be perfectly anhydrous , is poured into the flask . The reaction is allowed to commence ETHYL BENZENE . 15 Ethyl benzene.
... of ice ( Fig . 10 ) . The mixture of 60 grms . bromobenzene and 52 grms . ethyl bromide , both of which must be perfectly anhydrous , is poured into the flask . The reaction is allowed to commence ETHYL BENZENE . 15 Ethyl benzene.
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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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