Preconcentration and determination of Metformine Hydrochloride in different samples by cloud point extraction coupling with uv-visible spectrophotometry. Baghdad Science Journal, Iraq, Baghdad, v. 13, n. 2.2NCC, p. 0470, 2016. DOI: 10.21123/bsj.2016.13.2.2NCC.0470. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2792.. Acesso em: 2 may. 2024.