Flow-injection spectrophotometric determination of captopril in pharmaceutical formulations using a new solid-phase reactor containing AgSCN immobilized in a polyurethane resin. Braz. J. Pharm. Sci. [Internet]. 2012 Jun. 1 [cited 2024 May 21];48(2):325-33. Available from: https://revistas.usp.br/bjps/article/view/46183