- Solid-phase extraction of iron(III) with an ion-imprinted functionalized silica gel sorbent prepared by a surface imprinting techniqueXijun Chang
School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
Talanta 71:38-43. 2007..The developed method was also successfully applied to the determination of trace iron in plants and water samples with satisfactory results...
- Tris(2-aminoethyl) amine functionalized silica gel for solid-phase extraction and preconcentration of Cr(III), Cd(II) and Pb(II) from watersXinping Huang
Department of Chemistry, Lanzhou University, Lanzhou 730000, PR China
J Hazard Mater 157:154-60. 2008..0% (n=11). The application of this modified silica gel to preconcentration trace Cr(III), Cd(II) and Pb(II) of two water samples gave high accurate and precise results...