A　new　ion-imprinted　carboxymethyl　chitosan-functionalized　silica　gel　sorbent　was　synthesized　by　surface　imprinting　technique　using　Cd(II)　as　the　template,　carboxymethyl　chitosan　(CMCS)　as　the　functional　monomer　and　glutaraldehyde　as　the　cross-linking　agent　for　the　selective　adsorption　of　Cd(II)　from　aqueous　solution.　The　optimum　batch　experimental　conditions　(pH,　amount　of　adsorbent,　contact　time)　and　column　experimental　conditions　(concentration　and　volume　of　elution　solution)　were　evaluated.　The　maximum　static　adsorption　capacity　of　the　ion-imprinted　sorbent　for　Cd(II)　was　20.7　mg/g.　The　enrichment　factor　of　Cd(II)-imprinted　polymer　for　Cd(II)　was　257.　The　relative　selectivity　factor　values　of　Cd(II)/Pb(II),　Cd(II)/Co(II)　were　5.3　and　1.5,　respectively.　The　recoveries　of　water　samples　were　about　98.0-104.0%　(R.S.D.　＜=　0.8).　The　proposed　method　was　successfully　applied　to　determination　of　Cd(II)　in　water　samples　with　satisfactory.　(c)　2013　Elsevier　B.V.　All　rights　reserved.