Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/19697
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Title

Comparison of gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry for the determination of fatty and resin acids in paper mill process waters

AuthorsLatorre Fernández, Anna; Rigol, Anna; Lacorte Bruguera, Silvia CSIC ORCID; Barceló, Damià CSIC ORCID
KeywordsFatty acids
Resin acids
Paper mill
Water analysis
Issue Date28-Mar-2003
PublisherElsevier
CitationJournal of Chromatography A: 991(2): 205-215 (2003)
AbstractA comparative study of the performance of liquid chromatography (LC)–atmospheric pressure chemical ionisation (APCI)–mass spectrometry (MS) and gas chromatography (GC)–mass spectrometry techniques for the determination of resin and fatty acids from paper mill process waters was carried out. These compounds are responsible for the high toxicity of paper mill effluents and little research has been carried out regarding their analysis using mass spectrometric techniques. To prove the usability of GC and LC–MS, 16 treated and untreated water samples of recycle, kraft and pulp paper mills were analysed and good agreement was observed as regards to compounds detected and corresponding concentrations. This paper also reports the limits of detection, recoveries, reproducibility, linearity and precision using the two methods. GC–MS presented better selectivity and lower detection limits (below 0.2 μg/l), but derivatization of the extracts and the short life of derivatives (12–24 h) made the technique tedious and prone to high variations. Although LC–APCI–MS presented coelution of the non-aromatic resin acids, it also showed good sensitivity (limits of detection <3 μg/l) and permitted the detection of resin and fatty acids at μg/l level. In addition, since samples could be directly injected to the chromatographic system, LC–APCI–MS was proven as a powerful technique for quick and unequivocal quality control during papermaking.
Description11 pages, 2 figures, 4 tables.-- PMID: 12741600 [PubMed].-- Printed version published Apr 4, 2003.
Publisher version (URL)http://dx.doi.org/10.1016/S0021-9673(03)00217-6
URIhttp://hdl.handle.net/10261/19697
DOI10.1016/S0021-9673(03)00217-6
ISSN0021-9673
E-ISSN1873-3778
Appears in Collections:(IDAEA) Artículos

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