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Quantitation of trace phenolic compounds in water by trap‐and‐release membrane introduction mass spectrometry after acetylation
Author(s) -
Sparrapan Regina,
Eberlin Marcos N.,
Alberici Rosana M.
Publication year - 2008
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/rcm.3830
Subject(s) - chemistry , acetylation , mass spectrometry , phenols , chromatography , membrane , trace amounts , organic chemistry , biochemistry , medicine , pathology , gene , alternative medicine
Abstract 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 µg L −1 ) than those obtained by direct T&R‐MIMS analysis of the non‐derivatized phenols. Copyright © 2008 John Wiley & Sons, Ltd.