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Published:Journal of Chromatographic Science,
ISSN 0021-9665Volume
38, Number 3, March 2000, pp. 109–116
Optimization
of Extraction Conditions for Low-Molecular-Weight Analytes Using Solid-Phase
Microextraction
Robert
E. Shirey
Supelco Inc., Supelco Park, PA 16823
A group of
volatile analytes under a molecular weight of 90 and representing 11 organic
classes are extracted using identical conditions with 6 different solid-phase
microextraction fiber coatings. The amount of each of the analytes extracted
by the various fibers is shown. The effects of sample modifiers, such as pH
and ionic strength, on the recovery of the analytes are presented. A comparison
of headspace and immersion extraction techniques is shown.
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