The Owens College Course of Practical Organic ChemistryMacmillan, 1887 - 200 páginas |
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Página v
... collected such a series , and we feel confident that this work , filling , as it does , a lacuna in our English chemical literature , will prove most useful alike to the Professors , Demonstrators , and Students of our science . HENRY E ...
... collected such a series , and we feel confident that this work , filling , as it does , a lacuna in our English chemical literature , will prove most useful alike to the Professors , Demonstrators , and Students of our science . HENRY E ...
Página 9
... collected in separate flasks . These separate portions are called . fractions . Each of these fractions when submitted to a second distillation is usually found to begin to boil at a temperature lower than that indicated in the first in ...
... collected in separate flasks . These separate portions are called . fractions . Each of these fractions when submitted to a second distillation is usually found to begin to boil at a temperature lower than that indicated in the first in ...
Página 14
... collected . The colourless distillate is nearly pure bromobenzene . Small quantities of para - dibromo- benzene , which are formed in the above reaction , remain in the distilling flask , and solidify on cooling . This compound may be ...
... collected . The colourless distillate is nearly pure bromobenzene . Small quantities of para - dibromo- benzene , which are formed in the above reaction , remain in the distilling flask , and solidify on cooling . This compound may be ...
Página 17
... collected . C6H5Br + C , H , Br + 2 Na = CH5 . C2H5 + 2 Na Br Bromobenzene Ethylbromide Ethylbenzene . Properties . - Colourless liquid ; b . p . 134 ° ; sp . gr . • 8664 at 22'5 ° . PREPARATION III . NITROBENZENE , C , H , NO2 ...
... collected . C6H5Br + C , H , Br + 2 Na = CH5 . C2H5 + 2 Na Br Bromobenzene Ethylbromide Ethylbenzene . Properties . - Colourless liquid ; b . p . 134 ° ; sp . gr . • 8664 at 22'5 ° . PREPARATION III . NITROBENZENE , C , H , NO2 ...
Página 19
... collected . The brown residue contains a small quantity of dinitro- benzene . CH6 + HONO2 = CH5NO2 + H2O Nitrobenzene . Benzene The function of the sulphuric acid is that of a dehydrating agent , taking up the water formed in the ...
... collected . The brown residue contains a small quantity of dinitro- benzene . CH6 + HONO2 = CH5NO2 + H2O Nitrobenzene . Benzene The function of the sulphuric acid is that of a dehydrating agent , taking up the water formed in the ...
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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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