Quarterly Journal of the Chemical Society of London, Part 3 |
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Page 2659
... acid , form- aldehyde , and carbon dioxide have been measured directly , and by new colorimetric methods in the cases of glycollic and glyoxylic acid . A mass balance for carbon has been obtained , and degradation pathways are advanced ...
... acid , form- aldehyde , and carbon dioxide have been measured directly , and by new colorimetric methods in the cases of glycollic and glyoxylic acid . A mass balance for carbon has been obtained , and degradation pathways are advanced ...
Page 2661
... acid to one part of glyoxylic acid , introduced an error in the glyoxylic acid estimation of only + 1.4 % . Tartaric acid was determined by means of its uptake of periodate . At room temper- ature over - oxidation occurred , which was ...
... acid to one part of glyoxylic acid , introduced an error in the glyoxylic acid estimation of only + 1.4 % . Tartaric acid was determined by means of its uptake of periodate . At room temper- ature over - oxidation occurred , which was ...
Page 2664
... glyoxylic acid solution omitted [ but containing water ( 100 μl . ) ] was used as control ( Table 4 ) . TABLE 4. Calibration of glyoxylic acid : interference tests . Glyoxylic acid Glyoxylic acid hydrate " Spekker " hydrate Glycollic acid ...
... glyoxylic acid solution omitted [ but containing water ( 100 μl . ) ] was used as control ( Table 4 ) . TABLE 4. Calibration of glyoxylic acid : interference tests . Glyoxylic acid Glyoxylic acid hydrate " Spekker " hydrate Glycollic acid ...
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