Abstract
A highly sensitive HPLC with direct fluorescent detection ( λ ex = 235 nm, λ em = 355 nm) was developed for Pb 2+ and Cd 2+ complexes with an aromatic polyaminocarboxylate, 1-(4-aminobenzyl)ethylenediamine- N, N, N′, N′-tetraacetate as a pre-column derivatizing agent. A reversed phase partition column pretreated by a cationic surfactant was employed. Although this ligand forms thermodynamically stable complexes with various metal ions, only peaks of Pb 2+ and Cd 2+ were detected with the ligand-centered emission in the HPLC due to the emissive activity and kinetic stability in the dissociation reaction. The detection limits obtained were 1.5 × 10 −8 and 3.3 × 10 −9 mol l −1 for Pb 2+ and Cd 2+, respectively.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
