Test of the Randomness of Residuals for the Pseudo-1st Order Kinetic Modelling of Adsorption of the Brominated Flame Retardant 4-Bromodiphenyl Ether onto Biochar-Immobilized Sphingomonas Sp. Bioremed Sci Technol Res 2021, 9 (1), 27-31. https://doi.org/10.54987/bstr.v9i1.594.