Cobalt (II)-Mediated Molecularly Imprinted Polymer as a Monolithic Stationary Phase for Separation of Racemic Citronellal by Liquid Chromatography

Table 1

Composition for the preparation of MMIP, MNIP, MIP, and NIP monolithic columns.

Columns	Molar ratio (T : M : Co : C)	T (mmol)	M/4-VP (mmol)	Co(II) (mmol)	C (mmol)	[BMIM] BF4 (mL)	DMF (mL)	DMSO (mL)
					TRIM	1	1	1
MMIP A	1 : 5:1 : 20	0.067	0.33	0.067	1.34	0.30	0.30	0.30
MNIP A	−:5 : 1:20	–	0.33	0.067	1.34	0.30	0.30	0.30
MIP A	1 : 5:-:20	0.067	0.33	–	1.34	0.30	0.30	0.30
NIP A	−:5:-:20	–	0.33	–	1.34	0.30	0.30	0.30
					EDMA	10	1	5
MMIP B	1 : 6:1 : 18	0.10	0.60	0.10	1.80	0.82	0.08	0.40
MNIP B	−:6 : 1:18	–	0.60	0.10	1.80	0.82	0.08	0.40
MIP B	1 : 6:-:18	0.10	0.60	–	1.80	0.82	0.08	0.40
NIP B	−:6:-:18	–	0.60	–	1.80	0.82	0.08	0.40

T: template; M: functional monomer; Co: cobalt acetate; C: crosslinker. Notation of A and B in columns’ name corresponds to the monoliths with crosslinker of TRIM and EDMA, respectively. The bold values showed the porogen volume ratio of [BMIM] BF4, DMF, and DMSO.