Ionic liquid-immobilized silica gel as a new sorbent for solid-phase extraction of heavy metal ions in water samples
The Thai Nguyen, Tu-Hoai Duy Nguyen, Tam Thanh Thi Huynh, Minh-Huy Dinh Dang, Linh Hồ Thùy Nguyễn, Tân Lê Hoàng Đoàn, Thinh Nguyen, Mai Ánh Nguyễn, Phuong Hoang Tran
Abstract
Novel C18-alkylimidazolium ionic liquid immobilized silica (SiO 2 –(CH 2 ) 3 –Im–C 18 ) was synthesized through a four-step procedure. It showed high efficiency for the separation/preconcentration of trace heavy metal ions from aqueous samples.
Topics & Concepts
SorbentSolid phase extractionIonic liquidMetal ions in aqueous solutionExtraction (chemistry)MetalSilica gelChemistryPhase (matter)Ionic bondingIonChromatographyInorganic chemistryMaterials scienceAdsorptionOrganic chemistryCatalysisAnalytical chemistry methods developmentElectrochemical Analysis and ApplicationsAnalytical Chemistry and Sensors