Spectrophotometric Micro Determination of Gold by Formation of Ion Pair Association Complex with the Drug Ranitidine. Iraqi Journal of Science, [S. l.], v. 47, n. 1, p. 18–22, 2025. DOI: 10.24996/ijs.2006.47.1.%g. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/14784.. Acesso em: 18 jan. 2025.