British Abstracts: Pure chemistry and physiology. ser. A1927 |
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... acid ( cinchonine salt ) , from which strychnine d - a - methylpropanesulphonate , [ x ] -29.3 ° , is obtained . The ... acetic acid . Determination of acetic anhydride in acetic acid . K. J. P. ORTON and A. E. BRADFIELD ( J.C.S. , 1927 ...
... acid ( cinchonine salt ) , from which strychnine d - a - methylpropanesulphonate , [ x ] -29.3 ° , is obtained . The ... acetic acid . Determination of acetic anhydride in acetic acid . K. J. P. ORTON and A. E. BRADFIELD ( J.C.S. , 1927 ...
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... acid and phthalide - a - carboxylic acid . The foregoing facts indicate a lactone structure for phthalonic acid ... acetic acid , decomposes at 100 ° into phthalimide , water , acetic acid , and carbon dioxide , but no phthal- imide was ...
... acid and phthalide - a - carboxylic acid . The foregoing facts indicate a lactone structure for phthalonic acid ... acetic acid , decomposes at 100 ° into phthalimide , water , acetic acid , and carbon dioxide , but no phthal- imide was ...
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... acetic anhydride yields an isomeride ( ? ) , m . p . 226 ° . ( 2 ) Chlorination of 3 : 9 - dimethyl - A5 : 7 - isouric acid in a similar manner , using carefully dried materials , gives on slow crystallisation , instead of precipitation ...
... acetic anhydride yields an isomeride ( ? ) , m . p . 226 ° . ( 2 ) Chlorination of 3 : 9 - dimethyl - A5 : 7 - isouric acid in a similar manner , using carefully dried materials , gives on slow crystallisation , instead of precipitation ...
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Thuật ngữ và cụm từ thông dụng
A. A. ELDRIDGE absorption acetic acid acetone action activity alcohol alkali aluminium aluminium chloride Amer ammonia ammonium anorg atoms benzene benzoyl Biochem boiling bromide C. R. HARINGTON calcium carbon dioxide catalyst Chem chemical Chim chloride cobalt coefficient colloidal colour compounds concentration constant containing converted copper corresponding crystalline crystals curves CUTHILL decomp decomposition derivative determined dextrose dilute effect electrons ester ether ethyl formation gives heated hydrochloric acid hydrogen hydrogen chloride hydrolysis hydroxide ibid increase iodide ionisation ions J. W. BAKER ketone liquid magnesium mercury metal method mixture molecular molecules nickel nitrate nitric nitric acid nitrogen obtained oxide oxidised oxygen phenyl phenylhydrazine phosphorus Physik picrate potassium potassium hydroxide precipitated prepared presence pressure pyridine R. A. MORTON R. W. LUNT reaction reduced salt sodium sodium hydroxide solubility spectra spectrum substance sulphate sulphide sulphuric acid temperature vapour velocity whilst WREN yields zinc