Table 3.

Capacity factors(k′), separation factors (α) and retention indices (RI) on 2-MPA MIPs and blank polymer.

	k′blank	k′MIPs	αblank	αMIPs	RI
2-MPA	0.468	0.943	1	1	1
4-CPA	0.778	1.702	0.602	0.554	1.086
MCPA	0.668	1.410	0.700	0.669	1.048
BA	0.504	0.605	0.928	1.559	0.596
2,4-D	0.982	2.475	0.476	0.381	1.251