Registration Dossier
Registration Dossier
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EC number: 236-670-8 | CAS number: 13463-40-6
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
- Report date:
- 2007
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 18749: Water quality - Adsorption of substances on activated sludge - Batch test using specific analytical methods.
- GLP compliance:
- no
Test material
- Reference substance name:
- Pentacarbonyliron
- EC Number:
- 236-670-8
- EC Name:
- Pentacarbonyliron
- Cas Number:
- 13463-40-6
- Molecular formula:
- C5FeO5
- IUPAC Name:
- pentacarbonyliron
- Details on test material:
- Substance No.: 06/0588-2
Purity: 2 aqueous solutions, containing 14 and 24.5 mg/kg Fe(CO)5
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Duration of test (contact time):
- 48 h
Results and discussion
- Details on results:
- Results of iron analysis (Fe in mg/kg):
Test Control Solution 1 Solution 2
duration
-----------------------------------------------------------
3 h <0.5 <0.5 <0.5
24 h <0.5 <0.5 <0.5
48 h <0.5 <0.5 <0.5
Degree of adsorption of Pentacarbonyliron on activated sludge after 3 hours:
Test 1: >85%
Test 2: >91%
Applicant's summary and conclusion
- Interpretation of results:
- other: Easily eliminable from water by adsorption on activated sludge
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