Direct extraction of alkylphenols, chlorophenols and bisphenol A from acid-digested sediment suspension for simultaneous gas chromatographic-mass spectrometric analysis
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Title
- Direct extraction of alkylphenols, chlorophenols and bisphenol A from acid-digested sediment suspension for simultaneous gas chromatographic-mass spectrometric analysis
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Author(s)
- Li, DH; Oh, JR; Park, J
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Alternative Author(s)
- 이동호; 오재룡
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Publication Year
- 2003-09-19
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Abstract
- The direct extraction of alkylphenols, chlorophenols and bisphenol A from an acid-digested sediment suspension for GC-MS analysis was studied. The sediment was digested with acid while the hydrolyzed analytes were being extracted with dichloromethane. The conditions of the acid digestion and extraction were optimized in terms of time, acidity of digestion, and extracting solvent. It is possible to complete the extraction within 20 min with 5 ml of 0.1 M HCl digesting solution and three portions of 5 ml of dichloromethane. The recoveries of analytes were mostly around 90% with about 10% relative standard deviations. With this technique parallel treatment of large numbers of sediment samples is possible without any expensive special equipment or heating process. The analytical characteristics of this extraction technique were compared with Soxhlet extraction and the pressurized liquid extraction technique. The technique was examined and evaluated for real environmental sediment samples and certified reference material of natural matrix. (C) 2003 Elsevier B.V. All rights reserved.
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ISSN
- 0021-9673
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/5449
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DOI
- 10.1016/S0021-9673(03)01174-9
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Bibliographic Citation
- JOURNAL OF CHROMATOGRAPHY A, v.1012, no.2, pp.207 - 214, 2003
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Publisher
- ELSEVIER SCIENCE BV
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Subject
- ACCELERATED SOLVENT-EXTRACTION; PRIMARY DEGRADATION-PRODUCTS; TROUT ONCORHYNCHUS-MYKISS; LIQUID-CHROMATOGRAPHY; ETHOXYLATE SURFACTANTS; ENVIRONMENTAL-SAMPLES; NONYLPHENOL; FATE; 4-TERT-OCTYLPHENOL; PENTACHLOROPHENOL
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Keywords
- extraction methods; sediments; environmental analysis; alkylphenols; chlorophenols; bisphenol A; phenols
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Type
- Article
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Language
- English
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Document Type
- Article
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