2024-03-28T17:00:29Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/106522009-09-15T22:00:00Zcom_10261_5062com_10261_5col_10261_5064
DIGITAL.CSIC
author
Peré-Trepat, Emma
author
Lacorte Bruguera, Silvia
author
Tauler, Romà
2009-02-13T10:30:41Z
2009-02-13T10:30:41Z
2007-04-13
Analytica Chimica Acta 595(1-2): 228-237 (2007)
0003-2670
http://hdl.handle.net/10261/10652
10.1016/j.aca.2007.04.011
Different calibration approaches including external calibration, standard addition and internal standard are evaluated for quantification of coeluted compounds in liquid chromatography with MS spectrometry detection in scan mode and using multivariate curve resolution. These different calibration approaches are proposed to cope with sensitivity changes and matrix effects encountered in the analysis of complex natural environmental samples. By using them, multivariate curve resolution analysis of MS data in scan mode gave similar quantitative results to those obtained by LC–MS in selected ion monitoring (SIM) mode (in both cases errors were below 16% for internal standard combined with standard
addition strategy), and it provided at the same time a means of analyte confirmation via their resolved pure MS spectra, and a means to gather a
larger amount of information about the whole chromatographic process and to facilitate the simultaneous determination of multiple analytes in the same chromatographic run using the same experimental and instrumental conditions.
eng
closedAccess
Multivariate curve resolution
HPLC-MS
Internal standard
Standard addition
Calibration approaches
Coelutions
Environmental samples
Alternative calibration approaches for LC-MS quantitative determination of coeluted compounds in complex environmental mixtures using multivariate curve resolution
artículo
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