Multiple pH Levels in Chromatograms

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Science  09 Jan 1959:
Vol. 129, Issue 3341, pp. 99
DOI: 10.1126/science.129.3341.99


Lines of buffer solutions drawn longitudinally on chromatograms with a capillary pipette provide different levels of pH which affect the Rf values, color, fluorescence, and other properties of the chromatographed substances.