摘要
Sm(Ⅲ）wasquantitativelyadsorbedbyaminomethylenephosphonicacidresin(APAR)inthemediumofpH=5.0,Thestaticallysaturatedsorptioncapacityis251mg/g.resin.Sm(Ⅲ）adsorbedonAPARcanbereductivelyelutedby2.0mol/LHCl.Thesorptionrateconstantisk298=1.35×10^-5s^-1.ThesorptionbehaviorofAPARforSm(Ⅲ）obeystheFreundlichisotherm.TheenthalpychangeΔH°ofsorptionis24.9kJ/mol.TheapparentactivationenergyisEa=11.7kJ/mol.ThesorptionmechanismshowsthatthenitrogenandoxygenatomsofthefunctionalgroupofAPARcoordinatedwithSm(Ⅲ）toformcoordinationbond.
出版日期
2001年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
