Document Detail

Selective extraction of benzoic acid from landfill leachate by solid-phase extraction and ion-exchange chromatography.
MedLine Citation:
PMID:  14971499     Owner:  NLM     Status:  MEDLINE    
In this work a simple method was described for selective extraction of benzoic acid from landfill leachate samples. The samples were submitted to solid-phase extraction (SPE) with XAD-4 resin as the stationary phase and ion-exchange chromatography (IEC) using the ion-exchange resin Amberlyst A-27. The instrumental analysis was performed by gas chromatography with mass spectrometric detection (GC-MSD). Benzoic acid was isolated, identified and quantified. The extraction process is rapid, simple and of low cost. It was also environmental friendly, that is, it was used a minimum amounts of hazardous organic solvents and produced also minimum quantities of residues.
Irajá do Nascimento Filho; Patricia Schossler; Lisiane Santos Freitas; Maria Inês S Melecchi; Maria Goreti Rodrigues Vale; Elina Bastos Caramão
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of chromatography. A     Volume:  1027     ISSN:  0021-9673     ISO Abbreviation:  J Chromatogr A     Publication Date:  2004 Feb 
Date Detail:
Created Date:  2004-02-19     Completed Date:  2004-09-09     Revised Date:  2009-01-15    
Medline Journal Info:
Nlm Unique ID:  9318488     Medline TA:  J Chromatogr A     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  167-70     Citation Subset:  IM    
UFRGS, Chemistry Institute, Avenue Bento Gonçalves 9500, 91501-960 Porto Alegre RS, Brazil.
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MeSH Terms
Benzoic Acid / analysis*
Gas Chromatography-Mass Spectrometry / methods*
Ion Exchange Resins
Reg. No./Substance:
0/Ion Exchange Resins; 65-85-0/Benzoic Acid

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