Matrix effects

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Matrix effects
In quantitative analysis, especially with atmospheric pressure ionization techniques, matrix components co-extracted and co-eluting with the analytes can alter the ionization efficiency resulting in poor analytical accuracy, linearity, and reproducibility. These effects can be either ionization suppression or ionization enhancement.
Related Term(s):

A. Cappiello, G. Famiglini, P. Palma, E. Pierini, V. Termopoli, H. Trufelli. Anal. Chem. 80, 9343 (2008). ( )

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

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