Application of Factorial and Doehlert Designs for the Optimization of the Simultaneous Separation and Determination of Antimigraine Drugs in Pharmaceutical Formulations by RP-HPLC-UV

Table 6

Data on intra- and interday method precision.

Compound	Interday mean RSD (%)	Intraday mean RSD (%)
Zol	0.78	0.75
Nara	0.85	0.86
Keto	1.84	1.03
DHE	1.83	1.94
Pizo	1.41	1.63