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A new functionalized resin and its application in preconcentration system with multivariate optimization for nickel determination in food samples

✍ Scribed by Valfredo Azevedo Lemos; Patrícia Xavier Baliza; Juracir Silva Santos; Luana Sena Nunes; Adriana Alves de Jesus; Marcelo Eça Rocha


Book ID
116900950
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
258 KB
Volume
66
Category
Article
ISSN
0039-9140

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Chromotropic acid-functionalized polyure
✍ Valfredo Azevedo Lemos; Luana Novaes Santos; Ana Paula Oliveira Alves; Graciete 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 447 KB

## Abstract A chromotropic acid‐functionalized polyurethane foam has been developed for use in an on‐line preconcentration system for cobalt and nickel determination. The packing material was prepared by covalent coupling of chromotropic acid with the polyurethane foam through an azo group. Co and