ANC:KPF6 (0.05 M), pH 3.0, 30°C, Flow rate: 1 ml/min
Concentration K1 K2 K3 R1 R2 α α
80:20 1.69 1.94 2.28 - 0.99 1.14 1.17
60:40 3.15 3.69 4.58 1.19 1.57 1.17 1.2
50:50 4.13 5.00 6.61 1.37 1.57 1.2 1.21
40:60 - - - - - - -
20:80 - - - - - - -
Table 1: The ANC: KPF6 Mobile phase concentration effect on retention factor and enantioselectivity of Atracurium besylate isomers at pH 3.0.