British Abstracts: Pure chemistry and physiology. ser. A1929 |
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Kết quả 1-3 trong 70
Trang 152
... catalyst has already been used in the oxidation of benzene , the reaction is of the second order ; otherwise its course is complicated , since a certain amount of acid is withdrawn from the main reaction for the activation of the catalyst ...
... catalyst has already been used in the oxidation of benzene , the reaction is of the second order ; otherwise its course is complicated , since a certain amount of acid is withdrawn from the main reaction for the activation of the catalyst ...
Trang 274
... catalyst is the metal itself . The carbide , both fine and coarse - grained , is not a catalyst for the synthesis or decomposition of ammonia . A method by which the effective portion of an iron - containing catalyst for ammonia can be ...
... catalyst is the metal itself . The carbide , both fine and coarse - grained , is not a catalyst for the synthesis or decomposition of ammonia . A method by which the effective portion of an iron - containing catalyst for ammonia can be ...
Trang 1164
... catalyst at 400 ° varies considerably when precipit- ated zinc oxide is used . Reproducible results are obtained when the oxide is prepared by ignition of zinc oxalate ( standard catalyst ) . Addition of small amounts of various oxides ...
... catalyst at 400 ° varies considerably when precipit- ated zinc oxide is used . Reproducible results are obtained when the oxide is prepared by ignition of zinc oxalate ( standard catalyst ) . Addition of small amounts of various oxides ...
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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