Registration Dossier

Environmental fate & pathways

Adsorption / desorption

Currently viewing:

Administrative data

Endpoint:
adsorption / desorption
Remarks:
adsorption
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study based on accepted scientific standards, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
Sorption of hydrophobic pollutants on natural sediments
Author:
Karickhoff SW, Brown DS, Scott TA
Year:
1979
Bibliographic source:
Water Res., 13, 241-248 (1979)

Materials and methods

Principles of method if other than guideline:
accepted international guideline
GLP compliance:
no
Type of method:
batch equilibrium method
Media:
soil

Test material

Reference
Name:
Unnamed
Type:
Constituent
Radiolabelling:
no

Study design

Test temperature:
25 °C

Batch equilibrium or other method

Analytical monitoring:
yes
Details on matrix:
Coarse silt from two sites (Doe Run and Hickory Hill, USA),
organic carbon 2.8 and 3.3 %, respectively

Results and discussion

Adsorption coefficientopen allclose all
Type:
Koc
Value:
29 000
Temp.:
25 °C
% Org. carbon:
2.8 - 3.3
Type:
log Koc
Value:
4.46
Temp.:
25 °C
% Org. carbon:
2.8 - 3.3

Applicant's summary and conclusion