The Owens College Course of Practical Organic ChemistryMacmillan, 1887 - 200 páginas |
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Página 11
... complete series of fractionations . I. A. B. C. D. E. F. G. 71 * 5-85 85-90 ° 90-95 95-100 100-1050 105-110 110-115 Residue . 19 c.c. 53 C.C. 26 c.C. 15 c.c. 13 C.C. 17 C.C. 21 C.C. 33 C.C. II . A ' . below 79 ° . B FRACTIONAL ...
... complete series of fractionations . I. A. B. C. D. E. F. G. 71 * 5-85 85-90 ° 90-95 95-100 100-1050 105-110 110-115 Residue . 19 c.c. 53 C.C. 26 c.C. 15 c.c. 13 C.C. 17 C.C. 21 C.C. 33 C.C. II . A ' . below 79 ° . B FRACTIONAL ...
Página 53
... complete , the contents of the retort are distilled . * At first unchanged toluene distils ; the fraction boiling at 165-185 ° contains nearly the whole of the benzyl chloride , and forms the greater part of the product . The liquid ...
... complete , the contents of the retort are distilled . * At first unchanged toluene distils ; the fraction boiling at 165-185 ° contains nearly the whole of the benzyl chloride , and forms the greater part of the product . The liquid ...
Página 54
... complete the contents of the flask are extracted with ether , and the yellowish oil remaining , after distilling off the ether , is well shaken with a saturated solution of sodium bisulphite , 1 and allowed to stand for a time . The ...
... complete the contents of the flask are extracted with ether , and the yellowish oil remaining , after distilling off the ether , is well shaken with a saturated solution of sodium bisulphite , 1 and allowed to stand for a time . The ...
Página 68
... complete when the benzoic acid has dissolved . Hydrochloric acid is evolved , and phosphorus oxychloride formed , the latter being removed by fractional distillation . chloride does not entirely disappear , the mass is heated 68 ...
... complete when the benzoic acid has dissolved . Hydrochloric acid is evolved , and phosphorus oxychloride formed , the latter being removed by fractional distillation . chloride does not entirely disappear , the mass is heated 68 ...
Página 74
... complete . Alcohol ( about three times . the volume of alcohol 99 per cent . ) is added to the resulting dark - coloured fluid , whereby a crystalline magma of fine needles separates , the quantity of which FIG . 18 . further increases ...
... complete . Alcohol ( about three times . the volume of alcohol 99 per cent . ) is added to the resulting dark - coloured fluid , whereby a crystalline magma of fine needles separates , the quantity of which FIG . 18 . further increases ...
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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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