Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Page 1217
... Iodide . By P. F. D. SHAW and C. H. COLLIE . A quantitative study of the factors influencing the reproducibility of extractions of radioactive iodine from neutron - irradiated ethyl iodide has been made with a view to furnish a ...
... Iodide . By P. F. D. SHAW and C. H. COLLIE . A quantitative study of the factors influencing the reproducibility of extractions of radioactive iodine from neutron - irradiated ethyl iodide has been made with a view to furnish a ...
Page 1218
... iodide containing radio - iodide ions , taking aliquots , and precipitating after the addition of various known amounts of potassium iodide . The counts obtained ( corrected to a given time ) are shown in Table I ; from these it appears ...
... iodide containing radio - iodide ions , taking aliquots , and precipitating after the addition of various known amounts of potassium iodide . The counts obtained ( corrected to a given time ) are shown in Table I ; from these it appears ...
Page 1221
... iodide ions with ethyl iodide ; this suggests that the exchange occurring in pure ethyl iodide is HI * + С2HыI →→→ С2H¿I * + HI . The mean values of α for the two exchanges are 4:56 × 1011 and 6:46 × 102 , respectively ; the low ...
... iodide ions with ethyl iodide ; this suggests that the exchange occurring in pure ethyl iodide is HI * + С2HыI →→→ С2H¿I * + HI . The mean values of α for the two exchanges are 4:56 × 1011 and 6:46 × 102 , respectively ; the low ...
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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 CH₂ 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