Chitosan-Bentonite crosslinked film as indicator for copper (II) ions adsorptionNurul Huda Osman, Nurul Najiha Mazu, Josephine Liew Ying Chyi, Muhammad Mahyiddin Ramli, Mohammad Abdull Halim Mohd Abdull Majid and Hazeem Ikhwan MazlanEur. Phys. J. Appl. Phys., 95 1 (2021) 10401DOI: https://doi.org/10.1051/epjap/2021210089
