Quarterly Journal of the Chemical Society of London |
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Page 4528
... dioxide , isolated as barium carbonate , contained only 52 % of the theoretical radioactivity ( 340 μc per g . of C , here and in all cases ) . As difficulties in obtaining complete combustion of , for example , the xanthhydryl ...
... dioxide , isolated as barium carbonate , contained only 52 % of the theoretical radioactivity ( 340 μc per g . of C , here and in all cases ) . As difficulties in obtaining complete combustion of , for example , the xanthhydryl ...
Page 4572
... dioxide caused freezing of unfrozen clouds . Again , there Ethylene Dibromide . - A sample melting at 8-3-9.5 ° froze about 2 ° above a sample which had been purified by succesive treatment with sulphuric acid , sodium carbonate , and ...
... dioxide caused freezing of unfrozen clouds . Again , there Ethylene Dibromide . - A sample melting at 8-3-9.5 ° froze about 2 ° above a sample which had been purified by succesive treatment with sulphuric acid , sodium carbonate , and ...
Page 4682
... Dioxide ( IV ) .— Sulphur dioxide was formed when approx . equimolar quantities of thionaphthen ( I ) and its dioxide ( II ) were heated at 185— 190 ° : After 15 minutes the product was distilled , and ( I ) was removed ( b . p . 60-70 ...
... Dioxide ( IV ) .— Sulphur dioxide was formed when approx . equimolar quantities of thionaphthen ( I ) and its dioxide ( II ) were heated at 185— 190 ° : After 15 minutes the product was distilled , and ( I ) was removed ( b . p . 60-70 ...
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 CH₂ 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