Registration Dossier

Administrative data

Endpoint:
adsorption / desorption: screening
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report Date:
2013

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
OECD Guideline 106 (Adsorption - Desorption Using a Batch Equilibrium Method)
Deviations:
not specified
Qualifier:
according to
Guideline:
EU Method C.18 (Adsorption / Desorption Using a Batch Equilibrium Method)
Deviations:
not specified
Type of method:
batch equilibrium method
Media:
soil

Test material

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

Study design

Batch equilibrium or other method

Duration of adsorption equilibrationopen allclose all
Sample No.:
#1
Duration:
48 h
Initial conc. measured:
50 other:
pH:
5.1
Sample No.:
#2
Duration:
48 h
Initial conc. measured:
50 other:
pH:
7.1
Sample No.:
#3
Duration:
48 h
Initial conc. measured:
50 other:
pH:
7.1
Sample No.:
#4
Duration:
48 h
Initial conc. measured:
50 other:
pH:
5.7
Sample No.:
#5
Duration:
48 h
Initial conc. measured:
50 other:
pH:
3.1
Duration of desorption equilibrationopen allclose all
Sample no.:
#1
Duration:
48 h
Conc. of adsorbed test mat.:
50 other:
pH:
5.1
Sample no.:
#2
Duration:
48 h
Conc. of adsorbed test mat.:
50 other:
pH:
7.1
Sample no.:
#3
Duration:
48 h
Conc. of adsorbed test mat.:
50 other:
pH:
7.1
Sample no.:
#4
Duration:
48 h
Conc. of adsorbed test mat.:
50 other:
pH:
5.7
Sample no.:
#5
Duration:
48 h
Conc. of adsorbed test mat.:
50 other:
pH:
3.1

Results and discussion

Adsorption coefficientopen allclose all
Type:
log Koc
Value:
2.7
% Org. carbon:
0.62
Remarks on result:
other:
Type:
log Koc
Value:
2.9
% Org. carbon:
1.64
Remarks on result:
other:
Type:
log Koc
Value:
2.6
% Org. carbon:
2.42
Remarks on result:
other:
Type:
log Koc
Value:
3.6
% Org. carbon:
3.27
Remarks on result:
other:
Type:
log Koc
Value:
3
% Org. carbon:
5.96
Remarks on result:
other:

Applicant's summary and conclusion

Validity criteria fulfilled:
yes