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Equilibrium partitioning of heavy metals in dutch field soils. I. Relationship between metal partition coefficients and soil characteristics

Janssen, René P T, Peijnenburg, Willie J G M, Posthuma, Leo, Van Den Hoop, Marc A G T·1997·Environmental Toxicology and Chemistry

Abstract

Twenty Dutch soils were sampled at sites that were expected to have elevated levels of heavy metals compared to background values. Field-based partition coefficients (Kp) for As, Cd, Cr, Cu, Ni, Pb, and Zn were determined by calculating the ratio of the amount of metal extracted by concentrated HNO3 to the metal concentration in the pore water. Kp values varied widely with metal and soil type and correlated well with soil pH. To a lesser extent amorphous Fe-content and dissolved organic carbon (DOC) also explained part of the variation in Kp values. Thereupon, regression equations based on easily obtainable soil characteristics were derived. External validation of the regression equations showed that predicted log Kp values were in agreement with measured values.

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Metadata

Authors
Janssen, R. P. T., Peijnenburg, W. J. G. M., Posthuma, L., & Van Den Hoop, M. A. G. T.
Venue
Environmental Toxicology and Chemistry
Published
1997-12-01
Volume
16
Issue
12
Pages
2470-2478
ISSN
  • 0730-7268 (ISSN-L)
  • 1552-8618
OpenAlex
W2150624539
Cited by
202
References
0
FWCI
6.61
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Equilibrium partitioning of heavy metals in dutch field soils. I. Relationship between metal partition coefficients and soil characteristics. https://app.cochat.ai/papers/10.1002/etc.5620161206
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Janssen, R. P. T., Peijnenburg, W. J. G. M., Posthuma, L., & Van Den Hoop, M. A. G. T. (1997). Equilibrium partitioning of heavy metals in dutch field soils. I. Relationship between metal partition coefficients and soil characteristics. Environmental Toxicology and Chemistry. https://doi.org/10.1002/etc.5620161206

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