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Diss Factsheets

Environmental fate & pathways

Adsorption / desorption

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Administrative data

Endpoint:
adsorption / desorption: screening
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08 Jun - 10 Jun 2006
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
Version / remarks:
2001
Qualifier:
according to guideline
Guideline:
EU Method C.19 (Estimation of the Adsorption Coefficient (KOC) on Soil and Sewage Sludge Using High Performance Liquid Chromatography (HPLC))
Version / remarks:
2001
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC estimation method
Media:
soil/sewage sludge

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
liquid
Radiolabelling:
no

Study design

Test temperature:
40 °C

Results and discussion

Adsorption coefficientopen allclose all
Type:
Koc
Value:
1 955 dimensionless
Temp.:
40 °C
Matrix:
Stationary phase: Zorbax CN 250 x 4 mm; 5 µm; mobile phase: water/acetonitrile 60/40 (v/v), isocratic elution
Type:
log Koc
Value:
3.3 dimensionless
Temp.:
40 °C
Matrix:
Stationary phase: Zorbax CN 250 x 4 mm; 5 µm; mobile phase: water/acetonitrile 60/40 (v/v), isocratic elution

Applicant's summary and conclusion

Validity criteria fulfilled:
yes