Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Page 922
... prepared in aqueous solution as required . Krause and Pohland ( loc . cit . ) claim to have isolated the compound by treating an ethereal solution of tri - n - propyl- lead bromide with aqueous 30 % potassium hydroxide . Unlike the ...
... prepared in aqueous solution as required . Krause and Pohland ( loc . cit . ) claim to have isolated the compound by treating an ethereal solution of tri - n - propyl- lead bromide with aqueous 30 % potassium hydroxide . Unlike the ...
Page 1298
... prepared massive or powdered metal , singly or in conjunction with each other , and with or without the stable octahedral or the unstable vitreous form of arsenious oxide . Fig . 1 shows how electrodes of the massive metal are prepared ...
... prepared massive or powdered metal , singly or in conjunction with each other , and with or without the stable octahedral or the unstable vitreous form of arsenious oxide . Fig . 1 shows how electrodes of the massive metal are prepared ...
Page 1303
... Preparation of Arsenic by Formation and Decomposition of Arsine . - For the preparation of arsine a modified form of Robertson's ap- paratus ( Proc . Roy . Soc . , 1928 , 120 , 160 ) was used , and the arsine was prepared by the action ...
... Preparation of Arsenic by Formation and Decomposition of Arsine . - For the preparation of arsine a modified form of Robertson's ap- paratus ( Proc . Roy . Soc . , 1928 , 120 , 160 ) was used , and the arsine was prepared by the action ...
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Common terms and phrases
4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bond bromine Calc carbon catalyst CHâ‚‚ Chem chloroform citrinin colourless needles compound condensation cooled crystallised crystallised from alcohol crystals cyanide cyclisation decomp derivative dilute dissolved distilled dried electrode ester evaporated extracted with ether filtered filtrate formed colourless Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone lactone light petroleum b. p. m. p. and mixed methanol method methyl alcohol minutes mixed m. p. mixture molecule obtained oxide phenol phosphoric picrate potassium hydroxide precipitate prepared pyridine reaction reduced pressure requires residue resin room temperature salt separated sodium hydroxide solid soluble solution solvent specimen structure substance sulphuric acid triethylamine values washed yellow needles yield