Journal
MICROCHEMICAL JOURNAL
Volume 85, Issue 2, Pages 194-200Publisher
ELSEVIER
DOI: 10.1016/j.microc.2006.04.021
Keywords
phenol; environmental; wastes; PLS; SPA
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This paper proposes an analytical method to determine directly and simultaneously five phenolic compounds (4-nitrophenol, 2-nitrophenol, phenol, 2,4,6-trichlorophenol and 4-chlorophenol) in sea water (Ria de Bahia Blanca, Argentine). The advantages of this method is that only requires spectrophotometric measurements (separation steps and derivatization reagents are avoided) and chemometric modelling (PLS and MLRSPA). The statistical comparison between PLS - a well established multivariate method - and MLR-SPA - a recently presented chemometric modelling - demonstrated better analytical performance for the later one. This fact is indicative of the potentiality of MLR-SPA for solving complex analytical problems. (c) 2006 Elsevier B.V All rights reserved.
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