The Owens College Course of Practical Organic ChemistryMacmillan, 1887 - 200 σελίδες |
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Σελίδα 4
Julius Berend Cohen. necessary , for the thread of mercury which projects above the vessel . For the latter the formula given in a foot - note on p . 25 may be used . It is , however , preferable to increase the length of the distilling ...
Julius Berend Cohen. necessary , for the thread of mercury which projects above the vessel . For the latter the formula given in a foot - note on p . 25 may be used . It is , however , preferable to increase the length of the distilling ...
Σελίδα 6
... vessel is then closed by a cork , through which an open chloride of calcium tube is inserted to allow any hydrogen to escape and to prevent absorption of moisture . Methylated ether , prepared from methylated spirit by the same process ...
... vessel is then closed by a cork , through which an open chloride of calcium tube is inserted to allow any hydrogen to escape and to prevent absorption of moisture . Methylated ether , prepared from methylated spirit by the same process ...
Σελίδα 14
... vessel as a heavy oil . On shaking in a stoppered separating funnel the excess of bromine is 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 ...
... vessel as a heavy oil . On shaking in a stoppered separating funnel the excess of bromine is 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 ...
Σελίδα 15
... vessel of water which is cooled by the addition 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 ...
... vessel of water which is cooled by the addition 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 ...
Σελίδα 16
... vessel . Although the flask is allowed to remain in the outer vessel , and is cooled by water and ice , the heat evolved in the reaction often causes the ether FIG . 10 . to boil . The flask is , therefore , not removed from this vessel ...
... vessel . Although the flask is allowed to remain in the outer vessel , and is cooled by water and ice , the heat evolved in the reaction often causes the ether FIG . 10 . to boil . The flask is , therefore , not removed from this vessel ...
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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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