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Analysis of environmental samples by application of multivariate curve resolution on fused high-performance liquid chromatography–diode array detection mass spectrometry data

AuthorsPeré-Trepat, Emma; Tauler, Romà
KeywordsMultivariate curve resolution
Alternating least squares
Data fusion
Wavelet transform
Environmental samples
Issue Date17-Aug-2006
CitationJournal of Chromatography A 1131(1-2): 85-96 (2006)
AbstractMultivariate curve resolution-alternating least squares (MCR-ALS) is applied to solve coelution problems in liquid chromatograpy with diode array detection (DAD) and mass spectrometry (MS). Fusion of DAD and MS detector signals improved results versus those obtained using only one of the two detector signals. Application of wavelet transform to MS data before its fusion with DAD data, further help to facilitate the resolution and quantitation of the coeluted compounds under study, besides a decrease of time of analysis. Mixtures of biocide compounds in standard mixtures and in environmental samples (sediment and wastewater samples) were analyzed with estimated quantitation errors below 12%.
Description12 pages, 3 tables, 6 figures.-- PMID: 16919287 [PubMed].-- Printed version published Oct 27, 2006.
Publisher version (URL)http://dx.doi.org/10.1016/j.chroma.2006.07.047
Appears in Collections:(IDAEA) Artículos
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