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Preconcentration and determination of Cu(II) in a fresh water sample using modified silica gel as a solid-phase extraction adsorbent

✍ Scribed by A.S. Pereira; G. Ferreira; L. Caetano; M.A.U. Martines; P.M. Padilha; A. Santos; G.R. Castro


Book ID
108172369
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
394 KB
Volume
175
Category
Article
ISSN
0304-3894

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Thioacetamide chemically immobilized on
✍ Zeng Hong Xie; Fa Zhi Xie; Liang Qia Guo; Xu Cong Lin; Guo Nan Chen πŸ“‚ Article πŸ“… 2005 πŸ› John Wiley and Sons 🌐 English βš– 914 KB

## Abstract Thioacetamide immobilized on silica gel was prepared via the Mannich reaction. The extraction and enrichment of copper(II), lead(II), and cadmium(II) ions from aqueous solutions has been investigated. Conditions for effective extraction are optimized with respect to different experiment