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Table 3 Effect of interferences on separation factor (α) 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
   (10.22) (2.09) (3.0)
Cations Zn2+ 10.9 2.55 1.89
Cu2+ - - -
Mg2+ 11.48 1.87 1.62
  Th4+ - - -
Anions Br- 8.79 2.19 2.21
CH3COO- 8.79 2.09 3.14
CO3 - 6.96 2.18 2.75
  NO3 2- 9.19 2.09 2.62
  1. *Each value is an average of four replicates.