and Ashwani Kumar MRSRIMB. Modelling Cadmium adsorption by Coconut Shell Charcoal using the Langmuir and Freundlich Isotherm Expressions. JISSS. 2016;64(1). Accessed September 17, 2024. https://epubs.icar.org.in/index.php/JISSS/article/view/58729