title: Comments on "Biosorption of nickel from protonated rice bran".
abstract: This letter explains the appropriate way to calculate the parameters in pseudo first and second order kinetics, Langmuir and Freundlich isotherm.
authors.affiliation: Department of Chemical and Biological Engineering, Faculdade de Engenharia, Universidade Do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal. vasanth_vit@yahoo.com
authors.forename: K Vasanth
authors.initials: KV
authors.lastname: Kumar
authors.forename: K
authors.initials: K
authors.lastname: Porkodi
mesh_terms: D000327:Adsorption; D007700:Kinetics; D008954:Models, Biological; D009532:Nickel / Q000378:metabolism*; D012275:Oryza / Q000378:metabolism*; D012107:Research Design; D013696:Temperature; D013816:Thermodynamics
chemical_list: D009532:Nickel