Development and Validation of a Stability Indicating RP-HPLC Method for the Determination of Two Sun Protection Factors (Koptrizon and Tinosorb S) in Topical Pharmaceutical Formulations Using Experimental Designs
Figure 6
Graphical plot of the fully factorial design space for (a) changing factors A (flow rate) and B (column temperature); fixed factor: C (% Tetrahydrofuran) (b) changing factors A (flow rate) and C (% Tetrahydrofuran); fixed factor: B (column temperature).
