Registration Dossier
Registration Dossier
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EC number: 434-540-7 | CAS number: -
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 000
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 106 (Adsorption - Desorption Using a Batch Equilibrium Method)
- GLP compliance:
- yes (incl. QA statement)
Test material
Constituent 1
Results and discussion
Any other information on results incl. tables
The screening test revealed a strong adsorption of FAT 40'576/A on all three soils tested. At a concentration of 5.41 mg/l (sum of four components) and soil samples of 5 g, the amount of FAT 40'576/A adsorbed was 83.3% for soil Speyer, 65.1% for soil Sissein and 82.9% for soil Les Barges. Correspondingly, from the quantity adsorbed, 10.1%, 22.8% and 11.3% could be desorbed for the three soils, respectively. The adsorption coefficient K' was 24.9 ml/g, 9.3 ml/g and 24.2 ml/g for soils Speyer, Sissein and Les Barges. The corresponding K'0c values were 1139 ml/g, 546 ml/g and 665 ml/g, respectively. FAT 40'576/A can therefore be regarded as little mobile in all three soils.
Applicant's summary and conclusion
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