Sulfuric acid cleanup and KOH-ethanol treatment for confirmation of organochlorine pesticides and polychlorinated biphenyls: Application to wastewater samples
Journal Article
·
· Journal of the Association of Official Analytical Chemists; (USA)
OSTI ID:5209779
- Univ. of Valencia, Castellon (Spain)
The efficacy of sulfuric acid cleanup and KOH-ethanol hydrolysis confirmation was studied for 22 organochlorine pesticides and 2 polychlorinated biphenyls (PCBs). Mean recoveries for different treatment times are given. The method was applied to analysis of several wastewater samples by gas chromatography with electron capture detection. Organochlorine compounds were extracted by using separatory funnels and 15% diethyl ether in hexane as extractant. All the compounds studied could be analyzed except trifluralin, dichloran, dieldrin, and endrin, which were destroyed after treatment with concentrated H{sub 2}SO{sub 4}. The pesticides found most commonly in the samples analyzed were fenson, tetradifon, lindane, methoxychlor, and dicofol.
- OSTI ID:
- 5209779
- Journal Information:
- Journal of the Association of Official Analytical Chemists; (USA), Journal Name: Journal of the Association of Official Analytical Chemists; (USA) Vol. 70:4; ISSN 0004-5756; ISSN JANCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
ALCOHOLS
ALKALI METAL COMPOUNDS
AROMATICS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHLORINATED AROMATIC HYDROCARBONS
CHROMATOGRAPHY
DECOMPOSITION
DIELDRIN
EQUIPMENT
ETHANOL
GAS CHROMATOGRAPHY
HALOGENATED AROMATIC HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROLYSIS
HYDROXIDES
HYDROXY COMPOUNDS
INORGANIC ACIDS
INSECTICIDES
LIQUID WASTES
LYSIS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
PESTICIDES
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
PURIFICATION
QUANTITATIVE CHEMICAL ANALYSIS
SAMPLERS
SEPARATION PROCESSES
SOLVOLYSIS
SULFURIC ACID
WASTE WATER
WASTES
WATER
400102* -- Chemical & Spectral Procedures
ALCOHOLS
ALKALI METAL COMPOUNDS
AROMATICS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHLORINATED AROMATIC HYDROCARBONS
CHROMATOGRAPHY
DECOMPOSITION
DIELDRIN
EQUIPMENT
ETHANOL
GAS CHROMATOGRAPHY
HALOGENATED AROMATIC HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROLYSIS
HYDROXIDES
HYDROXY COMPOUNDS
INORGANIC ACIDS
INSECTICIDES
LIQUID WASTES
LYSIS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
PESTICIDES
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
PURIFICATION
QUANTITATIVE CHEMICAL ANALYSIS
SAMPLERS
SEPARATION PROCESSES
SOLVOLYSIS
SULFURIC ACID
WASTE WATER
WASTES
WATER