Quarterly Journal of the Chemical Society of London |
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Results 1-3 of 69
Page 3260
... solvent 1 0.45 and 0.83 , and in solvent 2 0.58 and 0.75 which corresponded with the acetyl- uracils derived from glycine ( RF 0.45 in solvent 1 and 0.58 in solvent 2 ) , and L - phenylalanine ( RF 0.83 in solvent 1 and 0.75 in solvent ...
... solvent 1 0.45 and 0.83 , and in solvent 2 0.58 and 0.75 which corresponded with the acetyl- uracils derived from glycine ( RF 0.45 in solvent 1 and 0.58 in solvent 2 ) , and L - phenylalanine ( RF 0.83 in solvent 1 and 0.75 in solvent ...
Page 3936
... solvent mixture as shown by the variation in com- position of drops of solvent leaving the end of a descending chromatogram when compared with the original . They found a varying composition of solvent , lower in water content than the ...
... solvent mixture as shown by the variation in com- position of drops of solvent leaving the end of a descending chromatogram when compared with the original . They found a varying composition of solvent , lower in water content than the ...
Page 3938
... solvent . Combined , these phenomena will affect the equilibrium between the solvent on the paper and the vapour in the development jar . Equilibrium between Solvent and Paper . - Randall and Weber 14 studied the vapour- pressure ...
... solvent . Combined , these phenomena will affect the equilibrium between the solvent on the paper and the vapour in the development jar . Equilibrium between Solvent and Paper . - Randall and Weber 14 studied the vapour- pressure ...
Contents
3082 | 2595 |
Interaction between selenium oxychloride and the trichlorides of boron | 2600 |
NO PAGE | 2601 |
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl added alcohol alkali alumina Amer aqueous ation atom band benzene beryllium boiling bond bromide Calc carbon tetrachloride carbonyl Chem chloride chloroform chromatography cm.ยน colourless complexes compound concentrated cooled crystallised crystals cyclohexanone decomp decomposition derivative diethyl dilute dioxan dissolved distilled elution ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate formation Found fraction gave heated hydride hydrochloric acid hydrolysis infrared infrared spectrum iodide isolated isomers isorotenolone ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitrate nitric oxide nitrogen obtained peroxide phenyl phosphate potassium precipitate prepared pyridine quinazoline radicals reaction refluxed requires residue room temperature rotenone sample sodium hydroxide solid solution solvent spectra structure sulphate sulphuric acid Table ultraviolet values yellow yield