Quarterly Journal of the Chemical Society of London |
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Page 139
... adsorption is correct , since acetylene so adsorbed is still unsaturated , whereas ethylene so adsorbed is not . He cites as evidence for this mode of adsorption the polymerisation of acetylene over cobalt in the presence of hydrogen ...
... adsorption is correct , since acetylene so adsorbed is still unsaturated , whereas ethylene so adsorbed is not . He cites as evidence for this mode of adsorption the polymerisation of acetylene over cobalt in the presence of hydrogen ...
Page 305
... adsorbed to influence the reaction con- siderably , despite the strong adsorption of acetylene ; the total inhibition of hydrogenation by oxygen , found with ethylene on nickel ( Rideal , J. , 1922 , 121 , 309 ) , is not observed ...
... adsorbed to influence the reaction con- siderably , despite the strong adsorption of acetylene ; the total inhibition of hydrogenation by oxygen , found with ethylene on nickel ( Rideal , J. , 1922 , 121 , 309 ) , is not observed ...
Page 369
... adsorbed should reach a maximum value of 0.25 c.c./g . when the adsorbed molecule is very small , i.e. , the second term becomes negligible as d / M increases . ( ii ) When d / M = 0.0007 / 0 · 25 or M / d = 357 we should find q : 0 ...
... adsorbed should reach a maximum value of 0.25 c.c./g . when the adsorbed molecule is very small , i.e. , the second term becomes negligible as d / M increases . ( ii ) When d / M = 0.0007 / 0 · 25 or M / d = 357 we should find q : 0 ...
Contents
An Investigation of the Occurrence of the Coordinate or Dative Link by Electric Dipolemoment | 38 |
Electrolytic Dissociation Processes Part IV The Ionisation of a CarbonHalogen Bond | 129 |
By J SHERIDAN | 133 |
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4-benzthiazine absorption acetic anhydride acetone acetyl acetylene added addition adsorbed alkali Amer ammonia aqueous atoms benzene boiling bond Calc carbinol carbon catalyst CH₂ Chem chloroform colourless needles compound concentrated condensation cooling crystallised from alcohol crystals cyclisation D.Sc decomp derivative described dilute dissolved distilled dried ester ethanol ether ethylene evaporated EXPERIMENTAL extracted filtered filtrate formation formed Found fraction gave give heated hydrocarbons hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis iodide isolated ketone light petroleum liquid methiodide method methyl alcohol mixed m. p. mixture molecule nickel nitric nitrogen obtained optically oxide oxychloride phosphate phosphorus picrate potassium potassium hydroxide precipitate prepared pressure prisms pyridine reaction reduced refluxed requires residue ring room temperature salt saturated separated sodium carbonate sodium hydroxide solid soluble solution solvent structure substance sulphate sulphuric acid vacuum washed yellow needles yield zinc