
doi: 10.1038/197377a0
pmid: 13971923
THE identification of non-volatile organic acids on paper chromatograms is usually dependent on the use of a suitable pH indicator which is applied to the developed and dried paper by spraying1. This procedure is inconvenient and an even distribution of indicator on the paper is difficult to obtain.
Chromatography, Oxalates, Phenolphthaleins, Chromatography, Paper, Lactates, Succinates, Citrates, Acids, Tartrates
Chromatography, Oxalates, Phenolphthaleins, Chromatography, Paper, Lactates, Succinates, Citrates, Acids, Tartrates
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