Fig. 3From: Analytical methods for the determination of paracetamol, pseudoephedrine and brompheniramine in Comtrex tabletsHPLC chromatogram showing the separation of a mixture composed of pseudoephedrine HCl (tR = 1.521), brompheniramine maleate (tR = 2.164) and paracetamol (tR = 3.414) using the mobile phase, water:acetonitrile (75:25, v/v, pH 3.2)Back to article page