“Multivariate Optimization and Validation of a Spectrophotometric Method for the Determination of Cobalt (II) Using 5-Br-PADAP”. Revista Eletrônica Acervo Científico 26 (September 29, 2026): e24835. Accessed November 3, 2026. https://acervomais.com.br/cientifico/article/view/24835.