Application of CZE Method in Routine Analysis for Determination of B-Complex Vitamins in Pharmaceutical and Veterinary Preparations

Table 1

Intraday and interday precision of migration time (𝑡_𝑚) and corrected peak area (𝐴_𝑐) in optimal condition at low-, intermediate-, and high-concentration levels.

	RSD%		RSD%
	𝑡𝑚		𝐴𝑐
	Intraday	Interday	Intraday		Interday
			Low	Intermediate	High	Intermediate
B1	0.20	0.31	5.51	2.89	1.76	4.37
B3	0.17	0.57	3.16	2.54	2.30	4.31
B2	0.24	0.99	4.89	1.89	1.41	4.15
B6	0.32	0.77	5.48	2.39	1.91	3.22
B1a	0.34	0.81	6.29	1.95	1.26	3.87
B10	0.32	0.95	3.83	1.91	2.14	4.28
B5	0.27	0.87	4.91	1.04	1.56	3.17
B2a	0.34	0.57	5.00	2.59	1.51	4.91
SI	0.34	0.82	4.51	2.15	1.99	2.61
B9	0.38	1.01	5.74	1.16	2.84	4.33