Journal BS. Flow injection analysis for the photometric determination of promethazine-HCl in pure and pharmaceutical preparation via oxidation by persulphate using Ayah 3SX3-3D solar micro photometer. BSJ [انترنت]. 12013 [وثق 92019];10(4):1190-202. Available from: http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2832