Voltammetric Study for Determination of Non-essential Metal Cd(II) in water samples (River and Sea) using Eriochrome Blue Black R as ComplexingHilfi Pardi, Friska S Silitonga, Eka P Ramdhani and Dina FitriyahE3S Web Conf., 324 (2021) 01001DOI: https://doi.org/10.1051/e3sconf/202132401001