Comparative Study of Voltammetric Analysis with UV-Vis Spectrophotometry in Determining the Results of Liquid-Liquid Extraction of Samarium (III). Jurnal Kimia Valensi, [S. l.], v. 10, n. 2, p. 229–236, 2024. DOI: 10.15408/jkv.v10i2.38941. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/38941. Acesso em: 22 dec. 2025.