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Updated: Jun 23, 2026
Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water
Published on: August 3, 2016
Comparison of pressurized liquid extraction and matrix solid-phase dispersion for the measurement of semivolatile
Kerri Stanley1, Staci Massey Simonich, David Bradford
1Department of Environmental and Molecular Toxicology, Oregon State University, 1007 ALS, Corvallis, Oregon 97331, USA.
Abstract:
Analytical methods capable of trace measurement of semivolatile organic compounds (SOCs) are necessary to assess the exposure of tadpoles to contaminants as a result of long-range and regional atmospheric transport and deposition. The present study compares the results of two analytical methods, one using pressurized liquid extraction (PLE) and the other using matrix solid-phase dispersion (MSPD), for the trace measurement of more than 70 SOCs in tadpole tissue, including current-use pesticides. The MSPD method resulted in improved SOC recoveries and precision compared to the PLE method. The MSPD method also required less time, consumed less solvent, and resulted in the measurement of a greater number of SOCs than the PLE method.
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