British Abstracts: Pure chemistry and physiology. ser. A1926 |
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Trang 45
... presence of palladised barium sulphate . Nitromethane and a - nitropropan - ẞ - ol in aqueous solution in the presence of oxalic acid give hydroxylaminomethane oxalate ( NHMe - OH ) 2 , C , H2O4 , m . p . 158 ° ( decomp . ) , and a ...
... presence of palladised barium sulphate . Nitromethane and a - nitropropan - ẞ - ol in aqueous solution in the presence of oxalic acid give hydroxylaminomethane oxalate ( NHMe - OH ) 2 , C , H2O4 , m . p . 158 ° ( decomp . ) , and a ...
Trang 51
... presence of potassium hydroxide , it is converted into the compound ( Me CO : CH2 ) , Hg , 2HgO , the formation of which was used to investigate the enolisation of acetone to isoacetone in presence of alkali ( cf. Evans and Looker , A ...
... presence of potassium hydroxide , it is converted into the compound ( Me CO : CH2 ) , Hg , 2HgO , the formation of which was used to investigate the enolisation of acetone to isoacetone in presence of alkali ( cf. Evans and Looker , A ...
Trang 94
... presence of 2 % of a - methyl- glucoside in the reaction mixture causes a decrease in the invertase activity to about one - tenth of the original velocity . The raffinase activity , however , is only diminished to one - half by this ...
... presence of 2 % of a - methyl- glucoside in the reaction mixture causes a decrease in the invertase activity to about one - tenth of the original velocity . The raffinase activity , however , is only diminished to one - half by this ...
Trang 95
... presence of different colloids . ÎI . Oxydase reaction in surviving preparations . III . Oxydase reaction in spermatozoa . SERENI ( Arch . fisol . , 1924 , 22 , 179–183 , 185–189 , 191-195 ; from Chem . Zentr . , 1925 , II , 1047 ) .- I ...
... presence of different colloids . ÎI . Oxydase reaction in surviving preparations . III . Oxydase reaction in spermatozoa . SERENI ( Arch . fisol . , 1924 , 22 , 179–183 , 185–189 , 191-195 ; from Chem . Zentr . , 1925 , II , 1047 ) .- I ...
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... presence of thallium and indium as impurities was revealed by fluorescence lines , but not by the spark . A. A. ELDRIDGE . Polarisation of fluorescent light from solutions of dyes . P. FRÖHLICH ( Z. Physik , 1925 , 35 , 193- 206 ) ...
... presence of thallium and indium as impurities was revealed by fluorescence lines , but not by the spark . A. A. ELDRIDGE . Polarisation of fluorescent light from solutions of dyes . P. FRÖHLICH ( Z. Physik , 1925 , 35 , 193- 206 ) ...
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A. A. ELDRIDGE absorption acetic acid acetic anhydride acetone action activity adsorption alcohol alkali aluminium aluminium chloride Amer ammonia ammonium anhydride aqueous solution atoms barium benzene benzyl Biochem boiling bromide calcium carbon dioxide catalyst Chem chemical chim chloric acid colloidal colour compounds concentration condensation containing converted copper corresponding crystallisation crystals curve decomp decomposition derivatives determined dextrose dilute dissociation effect electrolytes electrons ester ether ethyl ethyl alcohol F. G. WILLSON formation formed gives heated hydrate hydrazine hydrochloric acid hydrogen chloride hydrolysis increase iodide iodine ionisation ions ketone liquid magnesium mercury metals method mixture molecular molecules nickel nitrate nitric acid nitrogen obtained oxalate oxide oxidised oxygen P. W. CLUTTERBUCK phenyl Physik platinum potassium potassium hydroxide precipitate prepared presence pressure protein pyridine reaction reduced salt semicarbazone silver sodium hydroxide sols solubility spectra substances sulphate sulphide sulphuric acid temperature vapour whilst yields zinc