Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Evaluation of a Teflon Helix Liquid-Liquid Extractor for Concentration of Trace Organics from Water into Methylene Chloride (Journal Version).
Author Baker, R. J. ; Gibs, J. ; Meng, A. K. ; Suffet, I. H. ;
CORP Author Drexel Univ., Philadelphia, PA. Environmental Studies Inst.;Health Effects Research Lab., Research Triangle Park, NC.
Publisher c1987
Year Published 1987
Report Number EPA-R-810484; EPA/600/J-87/416;
Stock Number PB89-118459
Additional Subjects Water analysis ; Drinking water ; Surface waters ; Trace elements ; Solvent extraction ; Organic compounds ; Chemical analysis ; Performance evaluation ; Design criteria ; Concentration(Composition) ; Water pollution ; Portable equipment ; Continuous sampling ; Chloromethanes ; Reprints ; Water pollution detection ; Teflon coils ; Water pollution sampling
Library Call Number Additional Info Location Last
NTIS  PB89-118459 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 03/14/1989
Collation 14p
A continuous liquid-liquid extraction system (CLLE) for concentrating trace organics from water into methylene chloride for analysis was designed, built and evaluated. The CLLE uses Teflon coils for phase contact and gravity phase separation. The system includes a self-contained excess solvent distillation chamber, so the methylene chloride is recovered and recycled. The units are portable, and are currently in service sampling raw and treated water at locations in the northeastern United States.