Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 22, Issue 24, Pages 4105-4108Publisher
WILEY
DOI: 10.1002/rcm.3830
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Funding
- Research Support Foundation of the State of Sao Paulo (FAPESP)
- Brazilian National Research Council (CNPq)
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Trap-and-release membrane introduction mass spectrometry (T&R-MIMS) with a removable direct insertion membrane probe (DIMP) is used to quantitate a variety of trace phenolic compounds in water after acetylation. The procedure is simple, rapid and robust, producing linear and reproducible responses for phenolic compounds with varying polarities. Acetylation minimizes the polarity effects of ring substituents; hence, T&R-MIMS of the acetylated phenols provides lower and more uniform limits of detection (LODs) (2-15 mu g L-1) than those obtained by direct T&R-MIMS analysis of the non-derivatized phenols. Copyright (C) 2008 John Wiley & Sons, Ltd.
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