title: Comments on "Removal of lead from aqueous solution using Syzygium cumini L.: equilibrium and kinetic studies".
abstract: This letter reports the importance and advantages of the constraints in the Redlich-Peterson isotherm exponent.
authors.affiliation: Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, s/n 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
authors.forename: F
authors.initials: F
authors.lastname: Rocha
mesh_terms: D007700:Kinetics; D007854:Lead / Q000302:isolation & purification* / Q000378:metabolism; D018515:Plant Leaves / Q000737:chemistry / Q000378:metabolism; D027842:Syzygium / Q000378:metabolism*; D014874:Water Pollutants, Chemical / Q000302:isolation & purification* / Q000378:metabolism
chemical_list: D014874:Water Pollutants, Chemical; D007854:Lead