Batch and Flow-Injection Spectrophotometric Determination of Procaine HCl in Pharmaceutical Preparations Via Using Diazotization and Coupling Reaction. Baghdad Science Journal, Iraq, Baghdad, v. 9, n. 3, p. 521–531, 2012. DOI: 10.21123/bsj.2012.9.3.521-531. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1392.. Acesso em: 24 dec. 2024.