Figures index

From

Design of Experiment Assisted UV-Visible Spectrophotometric and RP-HPLC Method Development for Ambrisentan Estimation in Bulk and Formulations

Shanta K. Adiki, Prashanti M, Baishakhi Dey, Prakash Katakam, Fathi H. Assaleh, Nagiat T. Hwisa, Rajeev K. Singla, Babu R. Chandu

World Journal of Analytical Chemistry. 2014, 2(2), 23-30 doi:10.12691/wjac-2-2-2
  • Figure 1. Proposed reaction scheme showing formation of bluish-green chromogen
  • Figure 2. Contour plots of (A) absorbance vs FeCl3 concentration and volume, (B) absorbance vs. FeCl3 and MBTH volume, (C) absorbance vs. MBTH and FeCl3 concentration, and (D) absorbance vs. MBTH concentration and volume
  • Figure 3. Contour plots of (A) retention time vs. OPA concentration and flow rate, (B) retention time vs. wavelength and OPA concentration, (C) USP tailing factor vs. OPA concentration and flow rate, and (D) USP tailing factor vs. OPA concentration and wavelength
  • Figure 4. Typical chromatograms of (A) blank and (B) placebo
  • Figure 5. Chromatograms of solution stability at (A) initial time, (B) 6 h, (C) 12 h and (D) 24 h