British Abstracts: Pure chemistry and physiology. ser. A1929 |
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Trang 119
... spectra of organic carbon- ates . F. K. BELL ( J. Amer . Chem . Soc . , 1928 , 50 , 2940-2950 ) .- The absorption spectra of methyl , ethyl , propyl , butyl , isobutyl , isoamyl , and phenyl carbonates were investigated , the last ...
... spectra of organic carbon- ates . F. K. BELL ( J. Amer . Chem . Soc . , 1928 , 50 , 2940-2950 ) .- The absorption spectra of methyl , ethyl , propyl , butyl , isobutyl , isoamyl , and phenyl carbonates were investigated , the last ...
Trang 1090
... spectra ( 1 ) alkaloids with weak or non- present fluorescence spectra ( morphine , cocaine , strychnine , brucine ) , ( 2 ) those with spectra in the visible region ( hydrastinine ) , ( 3 ) those with spectra only in the ultra - violet ...
... spectra ( 1 ) alkaloids with weak or non- present fluorescence spectra ( morphine , cocaine , strychnine , brucine ) , ( 2 ) those with spectra in the visible region ( hydrastinine ) , ( 3 ) those with spectra only in the ultra - violet ...
Trang 1363
... spectra . The results of Smith , Boord , Adams , and Pease ( A. , 1928 , 152 , 1308 ) , indicating a benzene - like structure for the absorption spectra of certain organic compounds , are due to the presence of benzene as an impurity ...
... spectra . The results of Smith , Boord , Adams , and Pease ( A. , 1928 , 152 , 1308 ) , indicating a benzene - like structure for the absorption spectra of certain organic compounds , are due to the presence of benzene as an impurity ...
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A. A. ELDRIDGE absorption acetic acid acetic anhydride acetone acetyl action activity alkali aluminium Amer ammonia ammonium amount anhydride aqueous solution atoms bands barium benzene Biochem Biol bromide C. R. HARINGTON calcium carbon dioxide catalyst Chem CHEMICAL ABSTRACTS Chim chloroform coefficient colloidal colour compound Compt concentration constant containing converted copper corresponding crystals curves decomp decomposition decrease derivative determined dextrose dilute effect electrolytes electrons ester ether formation formed gives heated hydrate hydrochloric acid hydrogen chloride hydrolysis increase iodide iodine ionisation ions ketone liquid magnesium measured mercury metal method methyl alcohol mixture molecular molecules N. M. BLIGH nitrate nitrogen obtained oxide oxidised oxygen peroxide phenyl phosphate Physik potassium hydroxide precipitated prepared presence pressure Proc protein pyridine reaction reduced rend S. K. TWEEDY salts silver sodium hydroxide sols soluble spectra spectrum substance sulphate sulphide sulphuric acid temperature vapour velocity wave-length whilst X-ray yields Zentr zinc