British Abstracts: Pure chemistry and physiology. ser. A1929 |
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Kết quả 1-3 trong 72
Trang 515
... reaction centres is not formed . The activity of the deactivating centres is gradually diminished through adsorption of the slowly - formed reaction products , until finally the formation of new reaction centres predominates , and ...
... reaction centres is not formed . The activity of the deactivating centres is gradually diminished through adsorption of the slowly - formed reaction products , until finally the formation of new reaction centres predominates , and ...
Trang 516
... reaction ( cf. Schiloff , A. , 1903 , ii , 720 ) . When the chromic ion is in excess the ... reaction is bimolecular : MnO4 + Cr - CrO4 " + Mn " . In the presence of manganous ions the rate depends on the ratio Mn " / MnO ; the ions Mn ...
... reaction ( cf. Schiloff , A. , 1903 , ii , 720 ) . When the chromic ion is in excess the ... reaction is bimolecular : MnO4 + Cr - CrO4 " + Mn " . In the presence of manganous ions the rate depends on the ratio Mn " / MnO ; the ions Mn ...
Trang 1018
... reaction rendered it impossible to calculate a reaction constant , but even after 200 hrs . equilibrium was not reached . The percentage decom- position is smallest at 25 ° in benzene solution and at 50 ° in nitrobenzene , whilst both ...
... reaction rendered it impossible to calculate a reaction constant , but even after 200 hrs . equilibrium was not reached . The percentage decom- position is smallest at 25 ° in benzene solution and at 50 ° in nitrobenzene , whilst both ...
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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