Fig. 3From: Facile synthesis and eco-friendly analytical methods for concurrent estimation of selected pharmaceutical drugs in their solutions: application to quality by design, lean six sigma, and stability studiesContour and 3D-response surface plots a, b the effects of (% ACN) and temperature, c, d pH and temperature, e, f pH and (% ACN) on resolution, respectively g, h the effects of temperature and (% ACN), i, j pH and temperature, k, l pH and (% ACN) on retention timeBack to article page