Development of a Green Spectrophotometric Method for the Determination of Amlodipine Besylate Using Ion-Pair Formation with Alizarin Red S and Its Application in Pharmaceutical Formulations. J.P.A.S [Internet]. 2026 Sep. 9 [cited 2026 Sep. 20];26(4). Available from: https://atbuscienceforum.com.ng/index.php/jpas/article/view/508