Estimating concentration of toxic ions Arsenic in water by using Photonic Crystal Fiber based on Surface Plasmon Resonance (SPR). Baghdad Science Journal, Iraq, Baghdad, v. 21, n. 2, p. 0445, 2024. DOI: 10.21123/bsj.2023.7651. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/7651.. Acesso em: 9 may. 2024.