The Owens College Course of Practical Organic ChemistryMacmillan, 1887 - 200 páginas |
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Página 3
... powdered quicklime , and then distilling off on the water - bath . The apparatus for this purpose is represented in Fig . 1. The alcohol if pure boils constantly at 78 ° -79 ° . The temperature is indicated by a thermometer inserted ...
... powdered quicklime , and then distilling off on the water - bath . The apparatus for this purpose is represented in Fig . 1. The alcohol if pure boils constantly at 78 ° -79 ° . The temperature is indicated by a thermometer inserted ...
Página 19
... or in powder ) . conc . hydrochloric acid . Sixty grms . nitrobenzene and 95 grms . granulated or powdered tin , are placed in a flask of about 1 litre capacity connected with a reflux condenser . 350 grms . C 2 ANILINE . 19 Aniline.
... or in powder ) . conc . hydrochloric acid . Sixty grms . nitrobenzene and 95 grms . granulated or powdered tin , are placed in a flask of about 1 litre capacity connected with a reflux condenser . 350 grms . C 2 ANILINE . 19 Aniline.
Página 23
... powdered substance , dried in a desiccator over sulphuric acid , is introduced into a fine capillary tube sealed at one end . The substance is shaken to the bottom of the tube by gently tapping the sealed ACETANILIDE . 23 99 Phenol VI ...
... powdered substance , dried in a desiccator over sulphuric acid , is introduced into a fine capillary tube sealed at one end . The substance is shaken to the bottom of the tube by gently tapping the sealed ACETANILIDE . 23 99 Phenol VI ...
Página 26
... powdered acetanilide are added slowly and in small quantities to 40 grms . fuming nitric acid contained in a beaker cooled in water . The mixture must not be allowed to become warm , otherwise a violent reaction occurs and the nitro ...
... powdered acetanilide are added slowly and in small quantities to 40 grms . fuming nitric acid contained in a beaker cooled in water . The mixture must not be allowed to become warm , otherwise a violent reaction occurs and the nitro ...
Página 27
Julius Berend Cohen. dried substance is powdered and washed with cold chloroform until the washings are nearly colourless . The residue on the filter has a light yellow colour , and crystallises from alcohol in almost colourless needles ...
Julius Berend Cohen. dried substance is powdered and washed with cold chloroform until the washings are nearly colourless . The residue on the filter has a light yellow colour , and crystallises from alcohol in almost colourless needles ...
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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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