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Cited by 287

The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.

Polyethylene Devices: Passive Samplers for Measuring Dissolved Hydrophobic Organic Compounds in Aquatic Environments

Adams, Rachel G., Lohmann, Rainer, Fernandez, Loretta A., MacFarlane, John K., Philip M. Gschwend·2007·Environmental Science & Technology

Abstract

We demonstrate the use of polyethylene devices (PEDs) for assessing hydrophobic organic compounds (HOCs) in aquatic environments. Like semipermeable membrane devices (SPMDs) and solid-phase microextraction (SPME), PEDs passively accumulate HOCs in proportion to their freely dissolved concentrations. Polyethylene-water partition constants (K(PEW)S) were measured in the laboratory for eight polycyclic aromatic hydrocarbons (PAHs), five polychlorinated biphenyls (PCBs), and one polychlorinated dibenzop-dioxin (PCDD), and these were found to correlate with octanol-water partition constants (K(OW)s; log K(PEW) = 1.13 log K(OW) - 0.86, R2 = 0.89). Temperature and salinity dependencies of K(PEW) values for the HOCs tested were well predicted with excess enthalpies of solution in water and Setschenow constants, respectively. We also showed that standards, impregnated in the PED before deployment, can be used to correct for incomplete equilibrations. Using PEDs, we measured phenanthrene and pyrene at ng/L concentrations and 2,2',5,5'-tetrachlorobiphenyl at pg/L concentrations in Boston Harbor seawater, consistent with our findings using traditional procedures. PEDs are cheap and robust samplers, competent to accomplish in situ, time-averaged passive sampling with fast equilibration times (approximately days) and simplified laboratory analyses.

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Metadata

Authors
Adams, R. G., Lohmann, R., Fernandez, L. A., MacFarlane, J. K., & Gschwend, P. M.
Venue
Environmental Science & Technology
Published
2007-01-13
Volume
41
Issue
4
Pages
1317-1323
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2068284889
Cited by
287
References
18
FWCI
9.71
Type
journal article
Language
en
Open access
closed

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