Sivasankari, H., Ramesh, K. and Rajappa, A. (2021) “INFLUENCE OF ACID AND BASE SURFACE MODIFICATION ON Cr (VI) IONS ADSORPTION ONTO ACTIVATED CARBONS PREPARED FROM BARK OF THESPESIA POPULNEA-ISOTHERM AND THERMODYNAMICS STUDY”, Journal of Advanced Scientific Research, 12(02), pp. 314-324. doi: 10.55218/JASR.202112241.