Table 1.

Column-to-column repeatability in terms of permeability data determined for two batches of monolithic capillary columns prior to pore surface functionalization via photografting; batch II was polymerized on several days

	Batch I	Batch II
#	K v, day 1 (×10−15 m2)	K v, day 1 (×10−15 m2)	K v, day 2 (×10−15 m2)	K v, day 3 (×10−15 m2)
1	222	121	132	113
2	259	101	112	134
3	197	119	125	144
4	181	115	145	131
5	203	125	114	140
6	179	109	119	147
7	189	117	117	142
8	236	107		140
9	216	136		125
10	209	134		128
11	218	101		169
12	200	121		137
13	205	101		149
14	216	119		142
15	260	115		146
16				142
17				144
18				146
AVG ± STDEV	209 ± 24	117 ± 12	124 ± 12	139 ± 15
RSD %	11	10	9	9