Registration Dossier

Administrative data

Endpoint:
adsorption / desorption: screening
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2002-04-30 - 2002-07-09
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2002
Report Date:
2002

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method C.19 (Estimation of the Adsorption Coefficient (KOC) on Soil and Sewage Sludge Using High Performance Liquid Chromatography (HPLC))
GLP compliance:
yes (incl. certificate)
Remarks:
2000-04-26
Type of method:
HPLC estimation method
Media:
soil

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid
Specific details on test material used for the study:
- Synonyms: ITC 908, vinylidenephosphonic acid tetrasodium salt (VDPA tetrasodium salt)
- Lot/batch No.of test material: 562CH/646
- Purity: > 85%
- Storage condition of test material: Room temperature, in the dark

Results and discussion

Adsorption coefficientopen allclose all
Type:
Koc
Value:
< 17.8 dimensionless
pH:
7
Type:
log Koc
Value:
< 1.25 dimensionless
pH:
7

Applicant's summary and conclusion

Conclusions:
The adsorption coefficient (Koc) of the test material has been determined to be less than 17.8, log10 Koc < 1.25.
Executive summary:

The adsorption coefficient (Koc) of the test material has been determined to be less than 17.8, log10 Koc < 1.25.