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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.