ANC:KPF6 (0.05 M), pH 2.0, 3°C, Flow rate: 1 ml/min
Concentration K1 K2 K3 R1 R2 α1 α2
80:20 - - - - - - -
60:40 2.07 2.33 2.79 0.76 1.13 1.12 1.19
50:50 5.70 6.758 8.66 1.13 1.61 1.16 1.25
40:60 - - - - - - -
20:80 - - - - - -  
Table 2: The ANC: KPF6 Mobile phase concentration effect on retention factor and enantioselectivity of Atracurium besylate isomers at pH 2.0.