期刊
SEPARATION SCIENCE AND TECHNOLOGY
卷 42, 期 6, 页码 1325-1340出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01496390701242061
关键词
cellulose chemically modified; p-aminobenzoic groups; preconcentration; adsorption
Cellulose chemically modified with p-aminobenzoic groups, abbreviated as Cel-PAB, was used for preconcentration of copper, iron, nickel, and zinc from ethanol fuel, normally used in Brazil as engine fuel. The surface characteristics and the surface area of the cellulose were obtained before and after chemical modification using FT-IR, elemental analysis, and surface area analysis (B.E.T.). The retention and recovery of the analyte elements were studied by applying batch and column techniques.
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