A New Cu2+-Selective Sensor Based On Schiff Base as an Ionophore in PVC Matrix. International Journal of Scientific Research in Science and Technology, [S. l.], v. 12, n. 1, p. 132–139, 2025. DOI: 10.32628/IJSRST2512125. Disponível em: https://ijsrst.com/index.php/home/article/view/IJSRST2512125.. Acesso em: 25 feb. 2025.