The Owens College Course of Practical Organic ChemistryMacmillan, 1887 - 200 páginas |
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Página 64
... cyanide . alcohol 50 per cent . Fifty grms . benzaldehyde are added to a solution of 5 grms . commercial potassium cyanide in 200 grms . alcohol 50 per cent . , and the mixture is heated on the water - bath with a condenser for about ...
... cyanide . alcohol 50 per cent . Fifty grms . benzaldehyde are added to a solution of 5 grms . commercial potassium cyanide in 200 grms . alcohol 50 per cent . , and the mixture is heated on the water - bath with a condenser for about ...
Página 65
... cyanide and again heating for a short time . on the water - bath . The second crop of crystals is added to the first and the whole recrystallised from hot alcohol . C6H5CO 2C & H , COH = C & H CHOH Benzaldehyde Benzoin . Properties ...
... cyanide and again heating for a short time . on the water - bath . The second crop of crystals is added to the first and the whole recrystallised from hot alcohol . C6H5CO 2C & H , COH = C & H CHOH Benzaldehyde Benzoin . Properties ...
Página 107
... Cyanide . ) LITERATURE . - Pelouze ( 1834 ) , Ann . Ch . Pharm . 10 , 249 Linnemann ( 1868 ) , Ann . Ch . Pharm . 148 , 252 ; Rossi ( 1871 ) , Ann . Ch . Pharm . 159 , 79 . 50 grms . potassium ethyl sulphate 50 99 potassium cyanide ...
... Cyanide . ) LITERATURE . - Pelouze ( 1834 ) , Ann . Ch . Pharm . 10 , 249 Linnemann ( 1868 ) , Ann . Ch . Pharm . 148 , 252 ; Rossi ( 1871 ) , Ann . Ch . Pharm . 159 , 79 . 50 grms . potassium ethyl sulphate 50 99 potassium cyanide ...
Página 109
... cyanide about 12 hours heating is necessary ) the reaction is complete . After allowing the liquid to cool down to 50 ° , the almost colourless acid is separated and purified by distillation . 2C2H5CN + H2SO + 4H2O = 2C2H5COOH + ( NH4 ) ...
... cyanide about 12 hours heating is necessary ) the reaction is complete . After allowing the liquid to cool down to 50 ° , the almost colourless acid is separated and purified by distillation . 2C2H5CN + H2SO + 4H2O = 2C2H5COOH + ( NH4 ) ...
Página 117
... cyanide . One hundred grms . ethylene bromide and 75 grms . potassium cyanide in alcoholic solution are heated together on the water - bath in a round - bottomed flask of about 2 - litre capacity connected with reflux con- denser . This ...
... cyanide . One hundred grms . ethylene bromide and 75 grms . potassium cyanide in alcoholic solution are heated together on the water - bath in a round - bottomed flask of about 2 - litre capacity connected with reflux con- denser . This ...
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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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