British Abstracts: Pure chemistry and physiology. ser. A1929 |
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... potassium hydroxide , and of potassium persulphate , alone and with the addition of potassium nitrate , potassium and sodium hydr- oxides , has been studied at 99-4 ° by the method previously described ( loc . cit . ) . For numerical ...
... potassium hydroxide , and of potassium persulphate , alone and with the addition of potassium nitrate , potassium and sodium hydr- oxides , has been studied at 99-4 ° by the method previously described ( loc . cit . ) . For numerical ...
Trang 326
... potassium hydroxide , morin 3 : 2'4 ' - trimethyl ether ( I ) , m . p . 132 ° , is formed . Methyl sulphate ( 4 mols . ) and aqueous potassium hydroxide convert the latter into the pentamethyl ether , m . p . 155–157 ° , identical with ...
... potassium hydroxide , morin 3 : 2'4 ' - trimethyl ether ( I ) , m . p . 132 ° , is formed . Methyl sulphate ( 4 mols . ) and aqueous potassium hydroxide convert the latter into the pentamethyl ether , m . p . 155–157 ° , identical with ...
Trang 452
... potassium hydroxide into its potassium salt , which is treated . with benzoyl chloride . O - Acetyldioxindole , m . p . 127 ° , is obtained similarly or from dioxindole and a slight excess of acetic anhydride in presence of a little con ...
... potassium hydroxide into its potassium salt , which is treated . with benzoyl chloride . O - Acetyldioxindole , m . p . 127 ° , is obtained similarly or from dioxindole and a slight excess of acetic anhydride in presence of a little con ...
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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