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EVALUATION OF SOLID SORBENTS FOR WATER SAMPLING
Citation:
Harris, J., M. Cohen, Z. Grosser, AND M. Hayes. EVALUATION OF SOLID SORBENTS FOR WATER SAMPLING. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/2-80/193 (NTIS PB81106585), 1980.
Description:
The report describes a systematic evaluation of the applicability of macroreticular resins for general and compound-specific sampling of organics. The first portion is an extensive review of current pertinent literature concerned with the use of macroreticular resins for sampling and analysis of organic compounds in an aqueous matrix. The main body of the report describes and presents results of a laboratory investigation of selected solid adsorbents that appeared promising for sampling, based on the literature review. Results of screening a variety of sorbent-solute pairs indicate that a combination of two dissimilar resins is the most promising approach to a general purpose sorbent sampling system. In particular, a combination of XAD-2 and XE-347 resins offers the possibility of collection and recovery of both non-polar and polar organic species. This XAD-2/XE-347 system was, for the most part, found to be comparable with solvent extraction in regards to recovery; polar species such as phenols and pyrrole were recovered in higher yield from the cartridge.