Registration Dossier

Administrative data

Endpoint:
adsorption / desorption: screening
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report Date:
2005

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
Version / remarks:
version 2001
GLP compliance:
yes
Type of method:
HPLC estimation method

Test material

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

Study design

Test temperature:
column temperature 40 degrees C

HPLC method

Details on study design: HPLC method:
Agilent Technologies 1100, column Zorbax SB-CN
mobile phase: acetonitrile:water (55/45 v/v)

Results and discussion

Adsorption coefficient
Type:
log Koc
Value:
> 5.63
pH:
7.4
Temp.:
40 °C
Remarks on result:
not determinable because of methodological limitations

Results: HPLC method

Details on results (HPLC method):
All seven samples were beyond the limits of the test system. The log Koc was reported to be >5.63.

Applicant's summary and conclusion

Conclusions:
All seven samples were beyond the limits of the test system. The log Koc was reported to be >5.63.
Executive summary:

All seven samples were beyond the limits of the test system.  The log Koc was reported to be >5.63.