Quarterly Journal of the Chemical Society of London, Part 3 |
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Page 2335
... Chromatography .— ( i ) Solvents . The solvents used in chromatography were ( a ) butan - 1 - ol- ethanol - water ( 4 : 1 : 5 ) ( organic phase ) ; ( b ) benzene - pyridine - water ( 5 4 : 4 ) ( organic phase ) ; ( c ) acetone - water ...
... Chromatography .— ( i ) Solvents . The solvents used in chromatography were ( a ) butan - 1 - ol- ethanol - water ( 4 : 1 : 5 ) ( organic phase ) ; ( b ) benzene - pyridine - water ( 5 4 : 4 ) ( organic phase ) ; ( c ) acetone - water ...
Page 2336
... chromatography of a partial hydrolysate ( N - sulphuric acid for 1 hr . at 90 ° ) of trisaccharide A ( 8-4 mg . ) in solvent ( a ) showed components with Ry values identical with those of glucose , galactose , kojibiose , lactose , and ...
... chromatography of a partial hydrolysate ( N - sulphuric acid for 1 hr . at 90 ° ) of trisaccharide A ( 8-4 mg . ) in solvent ( a ) showed components with Ry values identical with those of glucose , galactose , kojibiose , lactose , and ...
Page 2658
... Chromatography and ionophoresis . These analyses gave similar results to those above , except that Ao contained no minor ingredients , and Bo was a much smaller fraction . A similar analysis after 12 hours ' irradiation showed glycollic ...
... Chromatography and ionophoresis . These analyses gave similar results to those above , except that Ao contained no minor ingredients , and Bo was a much smaller fraction . A similar analysis after 12 hours ' irradiation showed glycollic ...
Contents
ABEL E W Bennett M A and Wilkinson G | 2323 |
Bourne E J Hartigan J and Weigel H | 2332 |
Clark E R | 2344 |
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1,3,5-trinitrobenzene absorption acetic acid acetic anhydride acetone added alcohol alkaline alkyl Amer amine ammonia anhydride atom benzene boiling bond bromide Calc carbon Chem chloride chloroform chromatography complex compound concentration constant cooled crystallised crystals curve decomp derivatives diethylamine dilute dimer dioxan dioxide dissolved distilled dried eluted ester ethanol evaporated filtered filtrate formation formed Found fraction gave give glycollic acid glyoxylic acid heated hydride hydrochloric acid hydrolysis hydroxide infrared infrared spectrum iodide isolated isomer K₁ light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl methyl iodide mixed m. p. mixture mole molecular molecule nitrogen obtained oxidation oxygen perchlorate picrate polymer potassium precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid solvent spectra stirred structure sulphuric acid Table titration ultraviolet values washed yield