Document Detail

Alternative spectrofluorimetric determination of short-chain volatile fatty acids in aqueous samples.
MedLine Citation:
PMID:  19317474     Owner:  NLM     Status:  MEDLINE    
This paper presents a simple, rapid, and accurate method suitable for on-site measurement of short-chain volatile fatty acids (SCFA) in various environmental samples. This fluorimetric method involves a derivatization step of SCFA with N-(1-naphthyl)ethylenediamine (EDAN) and allows determination of acetic, butyric, propionic, valeric, lactic, succinic, and p-hydroxybenzoic acids in approximatively 10 min. To evaluate specificity and accuracy of the method, both laboratory-made waters and real samples ranging from wastewater plant and river to soils and composts have been tested. Good accuracy and correlation (r(2) = 0.9887) with HPIC determination have been obtained. The potential interference effect has been taken into account with compounds like humic substances, alcohols, amines, aldehydes, and metallic ions. This method seems thus well designed for the determination of total SCFA in waters, in the range 0.84-500 mg/L. Because this method seems well suited for following of anaerobic treatment, it has been calibrated versus acetic acid-equivalent.
Fabien Robert-Peillard; Edwin Palacio-Barco; Yves Dudal; Bruno Coulomb; Jean-Luc Boudenne
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Analytical chemistry     Volume:  81     ISSN:  1520-6882     ISO Abbreviation:  Anal. Chem.     Publication Date:  2009 Apr 
Date Detail:
Created Date:  2009-04-14     Completed Date:  2009-06-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370536     Medline TA:  Anal Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3063-70     Citation Subset:  IM    
Laboratoire Chimie Provence-UMR 6264, Universite d'Aix-Marseille I-CNRS, 3 Place Victor Hugo, Case 29, 13331 Marseille Cedex 3, France.
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MeSH Terms
Acetic Acid / analysis
Carboxylic Acids / analysis
Fatty Acids, Volatile / analysis*,  chemistry*
Minerals / chemistry
Reproducibility of Results
Sensitivity and Specificity
Spectrometry, Fluorescence / methods*
Water / chemistry*
Reg. No./Substance:
0/Carboxylic Acids; 0/Fatty Acids, Volatile; 0/Minerals; 64-19-7/Acetic Acid; 7732-18-5/Water

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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