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Main Title Isolating organic water pollutants: XAD resins, urethane foams, solvent extraction /
Author Webb, Ronald G.,
CORP Author Environmental Protection Agency, Athens, Ga. Southeast Environmental Research Lab.
Publisher National Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency,
Year Published 1975
Report Number EPA-660/4-75-003; EPA-ROAP-16ADN-37
Stock Number PB-245 647
OCLC Number 01891335
Subjects Gums and resins--Analysis ; Solvents ; Urethane foam ; Water--Pollution--Research--United States ; Water Pollutants--isolation & purification
Additional Subjects Solvent extraction ; Water analysis ; Dissolved organic material ; Adsorbents ; Water pollution ; Gas chromatography ; Evaporation ; Resins ; Chloroform ; Chloromethanes ; Monitoring ; Fuel oil ; Textile process ; Dyes ; Polyurethane resins ; Water pollution detection ; Polyurethane foams ; Naphthalene/tetrahydro
Internet Access
Description Access URL
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=9100TNKX.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EJBD  EPA-660-4-75-003 Headquarters Library/Washington,DC 12/23/2014
ELBD ARCHIVE EPA-660-4-75-003 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ELBD  EPA 660-4-75-003 AWBERC Library/Cincinnati,OH 04/25/1998
NTIS  PB-245 647 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 20 pages : illustrations ; 27 cm.
Abstract Isolation, separation, and concentration into an organic solvent are generally required prior to identification and quantitation of organic pollutants in water by gas chromatography or mass spectrometry. These operations can be simplified or improved by the use of XAD-resins (macroreticular resins) and by changes in solvent extraction procedures. XAD-2, 4, 7 and 8 and mixtures of these resins effectively extracted a broad range of individual industrial pollutants and mixtures typical of paper mill wastewaters, dissolved fuel oil, and textile dyes. Resin recovery efficiencies were typically 65-75% for individual compounds; direct chloroform extraction efficiency was 80%. Polyurethane foams were not effective for extracting these compounds. Chloroform is generally recommended over diethyl ether as an extraction solvent. Drying of chloroform extracts before evaporation was shown to be unnecessary. For typical industrial effluents, extract concentration to 10 ml with a Kuderna-Danish evaporator and to as low as 0.3 ml with a micro-Snyder column is the most quantitative procedure. Extraction with tetralin sometimes allows detection of nonpolar low-boiling pollutants that are usually obscured in gas chromatographic analysis by the solvent peak.
Notes "June 1975." ROAP 16ADN Task 37; program element 1BA027. Report prepared by Southeast Environmental Research Laboratory, National Environmental Research Center, Athens, Georgia. Includes bibliographical references (pages 19-20).
Place Published Corvallis, Or.
Corporate Au Added Ent United States. Environmental Protection Agency. Office of Research and Development.
PUB Date Free Form 1975
Series Title Untraced Environmental monitoring series ; EPA-660/4-75-003
NTIS Prices PC A03/MF A01
BIB Level m
Medium unmediated
Content text
Carrier volume
Cataloging Source OCLC/T
Merged OCLC records 1225774875
OCLC Time Stamp 20170920054603
Language eng
SUDOCS Number EP 1.23/5:660/4-75-003
Origin OCLC
Type MERGE
OCLC Rec Leader 01922cam 2200517Ia 45010