Quarterly Journal of the Chemical Society of London |
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Page 4153
... frequencies of benzene derivatives . Before conclusions can safely be drawn about the benzene ring frequencies , it is necessary to recognize and discount characteristic frequencies of the aromatic nitro - group , and evidence on this ...
... frequencies of benzene derivatives . Before conclusions can safely be drawn about the benzene ring frequencies , it is necessary to recognize and discount characteristic frequencies of the aromatic nitro - group , and evidence on this ...
Page 4279
... frequencies occur too weakly for observation in Raman spectra , but can be deduced from observed Raman overtones . The frequency of the hydrogen twisting vibration , no . 9 , in which also the oscillating electric moment is nearly ...
... frequencies occur too weakly for observation in Raman spectra , but can be deduced from observed Raman overtones . The frequency of the hydrogen twisting vibration , no . 9 , in which also the oscillating electric moment is nearly ...
Page 4283
... frequencies 460 and 630 cm . - 1 belong collectively to the bending vibrations , nos . 2 and 4 . This conclusion receives some confirmation from their joint involvement in the above explanation concerning vibration no . 3. However , the ...
... frequencies 460 and 630 cm . - 1 belong collectively to the bending vibrations , nos . 2 and 4 . This conclusion receives some confirmation from their joint involvement in the above explanation concerning vibration no . 3. However , the ...
Contents
Heat of Hydrolysis of Phosphorus Oxychloride and Phosphorus Trichloride | 4086 |
The Vapour Pressure of Aqueous Solutions of Beryllium Sulphate and of Uranyl | 4115 |
Determination of Individual Adsorption | 4123 |
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acetic acid acetone added alcohol alkaline alkoxide aluminium chloride Amer aniline aqueous sodium atom azoxymethane benzene boiling bond bromine Calc carbon catalyst CHâ‚‚ Chem chloroform colourless compound concentration cooled crystallised crystals cyclohexyl decomp decomposition derivative dilute dimethylberyllium dioxide dissolved distilled dried ester ethanol ether evaporated experimental extracted filtered filtrate fluoride formation formed Found fraction frequencies gave give glycol heated under reflux hydrazine hydrochloric acid hydrogen chloride hydrolysis infra-red iodide iodine isolated isomerisation ketone Light absorption light petroleum b. p. liquid m. p. and mixed method methyl mixed m. p. mixture mole molecular molecule needles nitrate nitric acid nitrogen obtained oxide potassium precipitated prepared prisms pteridine reaction requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra sulphate sulphide sulphuric acid Table uroporphyrin vapour vibration washed yellow yield zirconium