Quarterly Journal of the Chemical Society of London |
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Page 25
... extracted several times with small amounts of benzene , and the aqueous layer stirred with charcoal , filtered , and made acid to Congo - red paper with concentrated hydrochloric acid . The liberated p - hydroxyphenyl ester was extracted ...
... extracted several times with small amounts of benzene , and the aqueous layer stirred with charcoal , filtered , and made acid to Congo - red paper with concentrated hydrochloric acid . The liberated p - hydroxyphenyl ester was extracted ...
Page 246
... extracted three times with 10 % hydrochloric acid , and the acid solution added to the main aqueous layer . The united solutions were treated with excess of sodium bicarbonate and extracted twice with an equal volume of chloroform to ...
... extracted three times with 10 % hydrochloric acid , and the acid solution added to the main aqueous layer . The united solutions were treated with excess of sodium bicarbonate and extracted twice with an equal volume of chloroform to ...
Page 797
... extracted with cold water ( 7 1. ) for 24 hours , pressed , and the residue extracted with ammonium oxalate ( 5 l .; 0.5 % ) for 7 hrs . on a boiling water- bath to remove pectic substances . The residue , washed and pressed , was extracted ...
... extracted with cold water ( 7 1. ) for 24 hours , pressed , and the residue extracted with ammonium oxalate ( 5 l .; 0.5 % ) for 7 hrs . on a boiling water- bath to remove pectic substances . The residue , washed and pressed , was extracted ...
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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Common terms and phrases
4-benzthiazine absorption acetic anhydride acetone acetyl acetylene added addition adsorbed alkali Amer ammonia aqueous atoms benzene boiling bond Calc carbinol carbon catalyst CHâ‚‚ 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