Quarterly Journal of the Chemical Society of London |
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Page 1272
... containing 0.25 g . of oxide , was supported in a horizontal position by a rubber band stretched between two pins . The tube could be released by movement of the minute finger of the clock , which was attached to the rubber band by a ...
... containing 0.25 g . of oxide , was supported in a horizontal position by a rubber band stretched between two pins . The tube could be released by movement of the minute finger of the clock , which was attached to the rubber band by a ...
Page 1320
... containing 32P . A description is given of a specially designed apparatus which enables an overall yield of 62 % to be obtained . WE have previously given details of the preparation of diisopropyl fluorophosphonate ( I ) ( McCombie and ...
... containing 32P . A description is given of a specially designed apparatus which enables an overall yield of 62 % to be obtained . WE have previously given details of the preparation of diisopropyl fluorophosphonate ( I ) ( McCombie and ...
Page 1796
... containing pigment , unlike tyrosine - melanin , cannot be formed by the autoxidation procedure , which suggests ... containing pigment after further enzyme action ( 0 · 050 ) . D , Carboxyl - containing pigment ( 0.020 ) . E , N ...
... containing pigment , unlike tyrosine - melanin , cannot be formed by the autoxidation procedure , which suggests ... containing pigment after further enzyme action ( 0 · 050 ) . D , Carboxyl - containing pigment ( 0.020 ) . E , N ...
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Common terms and phrases
absorption acetic anhydride acetone acetyl added alcohol alkaline alunite Amer amine ammonia anhydrous anilide aqueous sodium atom benzene boiling bromine trifluoride Calc carbonate CH₂ Chem chloroform colour colourless needles compound condensation containing cooled crystallised crystals cyanide cyclisation D.Sc decomp derivatives dilute dissolved distilled dried equiv ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate fluoride formation formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated kcals ketone light petroleum b. p. liquid melting method methyl minutes mixed m. p. molecule nitrate nitrile nitrogen obtained oxalate oxide oxime oxygen pickeringite picrate piperidine potassium potassium hydroxide precipitate prepared prisms pyridine reductive dissolution removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen sulphate sulphuric acid values washed xylose yellow needles yield