British Abstracts: Pure chemistry and physiology. ser. A1929 |
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... presence and in the absence of the catalyst . The quantum efficiency of the catalysed reaction is smaller than that of the uncatalysed reaction and is not markedly influenced by the wave - length . In presence of radiation from a ...
... presence and in the absence of the catalyst . The quantum efficiency of the catalysed reaction is smaller than that of the uncatalysed reaction and is not markedly influenced by the wave - length . In presence of radiation from a ...
Trang 406
... presence of minute quantities of heavy metals . Manganese and nickel are the most active metals ; the presence of the former in amounts of the order 10-9 g . or of the latter in amounts of the order 10-8 g . doubles the velocity of ...
... presence of minute quantities of heavy metals . Manganese and nickel are the most active metals ; the presence of the former in amounts of the order 10-9 g . or of the latter in amounts of the order 10-8 g . doubles the velocity of ...
Trang 1287
... presence of nickel at 160-170 ° to 1 : 2 - dimethyl - 3 - isopropyl- cyclopentane , b . p . 159–161 ° / 757 mm . , da 0-7883 , n1 1-4319 . Thujamenthone , b . p . 206-208 ° / 749 mm . , da 0-8894 , n2 1-4484 , is transformed into the ...
... presence of nickel at 160-170 ° to 1 : 2 - dimethyl - 3 - isopropyl- cyclopentane , b . p . 159–161 ° / 757 mm . , da 0-7883 , n1 1-4319 . Thujamenthone , b . p . 206-208 ° / 749 mm . , da 0-8894 , n2 1-4484 , is transformed into the ...
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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