Spectrophotometric Determination of Diclofenac sodium Using 2,4-dinitrophenylhydrazine in Pure Form and Pharmaceutical Preparations. IHJPAS [Internet]. 2017 Mar. 14 [cited 2024 May 5];28(3):129-41. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/148