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Table 2 Effect of interferences on ∆R F values of separated amino acids

From: Environmentally preferable solvents promoted resolution of multi-component mixtures of amino acids: an approach to perform green chromatography

Foreign substances Lysine-proline Proline-alanine Alanine-tyrosine
   (0.43) (0.17) (0.17)
Cations Zn2+ 0.43 0.21 0.11
Cu2+ - - -
Mg2+ 0.44 0.15 0.09
  Th4+ - - -
Anions Br- 0.41 0.18 0.14
CH3COO- 0.41 0.17 0.18
CO3 - 0.38 0.18 0.17
  NO3 2- 0.42 0.17 0.16
  1. *Each value is an average of four replicates.