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Factor analysis of hyphenated chromatographic data: Exploration, resolution and quantification of multicomponent systems

AuthorsJuan, Anna de; Tauler, Romà
KeywordsFactor analysis
Curve resolution
Two-way data
Three-way data
Issue Date18-May-2007
CitationJournal of Chromatography A 1158(1-2): 184-195 (2007)
AbstractFactor analysis (FA) is a family of widely used methods to obtain the underlying sources of variation of data tables. Typically, hyphenated chromatographic data provide data tables with one elution direction and another linked to the detector response. In this context, the factors are the eluting compounds and the profiles defining each factor are the elution profile and the pure response of the compound. This article describes the use of FA in chromatography through diverse tools and problems. Examples of determination of number of compounds, peak purity problems, resolution of overlapped compounds or extension to simultaneous analysis of multiple runs (higher-order data structures) to obtain qualitative and quantitative information are reviewed.
Description12 pages, 7 figures.-- PMID: 17543980 [PubMed].-- Printed version published Jul 27, 2007.-- Issue title: Data Analysis in Chromatography.
Publisher version (URL)http://dx.doi.org/10.1016/j.chroma.2007.05.045
Appears in Collections:(IDAEA) Artículos
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