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TLC separation of some biologically important amino acids on pyridinium tungstoarsenate impregnated layers (1979)

Srivastava, S. P. ; Dua, V. K. ; Gupta, K.

Springer

Chromatographia 12 (1979), S. 605-607

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ISSN: 1612-1112

Keywords: TLC Separation ; Pyridinium tungstoarsenate ; Impregnation ; Amino acids

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary A satisfactory TLC separation scheme for 15 important amino acids on silica gel layers impregnated with pyridinium tungstoarsenate using isoamyl alcohol-wateracetic acid (60∶50∶30) as the solvent system has been worked out. It is found that the Martin relationship is obeyed by similarly constituted amino acids. A plot of ΔRM vs the concentration of pyridinium ion released shows a scatter suggesting that, besides exchange properties, other factors also strongly influence the movement of amino acids.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02265533

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