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  • Adsorptive behavior of atrazine and alachlor in...
Text

Adsorptive behavior of atrazine and alachlor in organic-poor sediments

Author
Grundl, Timothy J., 1953-
Date
  • 1995
Publisher
Madison, Wisconsin: University of Wisconsin Water Resources Institute
Summary
  • A sediment mixing approach was taken to systematically vary the organic carbon (oc) and clay content (cm) as a suite of organic-poor, clay-rich sediments. Organic carbon content ranged from 3.2 to 0.4% and clay content ranged from 24 to 51%. Atrazine and alachlor were shown to sorb to both naturalorganic carbon and clay minerals. Partition coefficients to natural organic carbon (Koc) were found to be 196 and 436 liters/kg organic carbon for atrazine and alachlor, respectively. Partition coefficients to the clay fraction were found to be 1.8 and 3.0 liters/kg clay for atrazine and alachlor, respectively. Retardation factors calculated using partition coefficients that ignore numerical phase sorption are low by factors of 2.6 to 2.8 in the subsoils used in this study.
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Part of
Groundwater research report
Author
Grundl, Timothy J., 1953-
Publisher
Madison, Wisconsin: University of Wisconsin Water Resources Institute
Date
1995
Series
Groundwater research report ; 95-02
Description of Original
iv, 12 pages ; 28 cm
Language
English
Collections
Wisconsin Groundwater Research and Monitoring Program Reports
Ecology and Natural Resources Collection

  1. [Title Page]
  2. [Title Page]
  3. Abstract
  4. Contents
  5. Introduction
  6. Materials and methods
  7. Results and discussion
  8. Conclusions
  9. References

Subjects

  • Groundwater — Wisconsin
  • Atrazine — Environmental aspects — Wisconsin
  • Alachlor — Environmental aspects — Wisconsin
  • Herbicides — Environmental aspects — Wisconsin
  • Groundwater — Pollution — Wisconsin
  • Soil pollution — Wisconsin
From the Collection

Wisconsin Groundwater Research and Monitoring Program Reports

About the Collection
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From the Collection

Ecology and Natural Resources Collection

About the Collection
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