Record Display for the EPA National Library Catalog


Main Title Isolation of Organic Water Pollutants by XAD Resins and Carbon.
Author Rossom, P. Van ; Webb, R. G. ;
CORP Author National Inst. for Water Research, Pretoria (South Africa).;Environmental Research Lab., Athens, GA.
Year Published 1978
Report Number EPA/600/J-78/065;
Stock Number PB-289 655
Additional Subjects Organic compounds ; Water analysis ; Extraction ; Carbon ; Chemical analysis ; Water pollution ; Separation ; Performance evaluation ; Hydrocarbons ; Gas chromatography ; Mass spectroscopy ; Aromatic polycyclic hydrocarbons ; Sampling ; Reprints ; Water pollution detection ; XAD resins ; Furan/dibenzo
Library Call Number Additional Info Location Last
NTIS  PB-289 655 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 14p
The recovery efficiencies of XAD resins -2, -4, -7, and -8 and of resin mixtures were measured using distilled water samples containing 13 organic pollutants. An equal-weight mixture of XAD-4 and XAD-8 was most efficient. XAD-2 and XAD-4/8 were further tested and found effective using tapwater. Carbon was tested as a sorbent for materials not well retained by the resins. In-column solvent washing before sample sorption was found to be as effective as Soxhlet extraction for removing background impurities. Some compounds can be desorbed from carbon by in-column solvent elution; others require Soxhlet extraction. An XAD-4/8 column in series with a carbon column was used to sample 1000 liters of tapwater. Halomethanes, n-hydrocarbons, polynuclear aromatic compounds and dibenzofuran in the order of ng/l were identified using a gas chromatograph-mass spectrometer-computer system.