Optimization of sample preparation techniques for the determination of 4-nonylphenol in water and sediment
Chee, K.K. Wong, M.K. Lee, H.K.
Chee, K.K.
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Abstract
Sample preparation techniques for the determination of 4-nonylphenol in water and sediments were optimized using two-level orthogonal array design (OAD). Comparison between the use of cartridge-based solid-phase extraction and membranous disk-based extraction was made for water samples. For sediment samples, microwave-assisted solvent extraction (MASE) was employed. A comparison between MASE and classical soxhlet extraction of spiked samples was also carried out. 4-Nonylphenol was determined using high performance liquid chromatography (HPLC) coupled to both ultraviolet and fluorescence detection.
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Journal of Liquid Chromatography and Related Technologies
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Date
1996
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Article