Analysis of Cationic Vitamins in Cell Culture Medium Samples by Capillary Zone Electrophoresis

Table 1

Preliminary method validation data: precision on migration time and peak area of six consecutive runs and linearity data over the range 10–110 µM.

	Precision (n = 6)		Linearity (n = 21)
	Migration time (%)	Peak area RSD (%)	Slope	Intercept	Correlation coefficient (R^2)
PM	0.4	1.9	0.11	0.14	0.996
B1	0.4	2.6	0.08	0.23	0.996
B3	0.3	2.3	0.10	0.13	0.998
PN	0.3	1.5	0.25	0.34	0.998
PL	0.3	1.5	0.20	0.24	0.998