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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: The composition of the test substance was significantly different to the substance to be registered. Furthermore, the aqueous eluate of the substance was tested.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997
Report date:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Reaction mass of aluminium and magnesium oxide and spinel (Mg(AlO2)2)
EC Number:
701-289-2
Molecular formula:
Al, MgO, Mg(AlO2)2
IUPAC Name:
Reaction mass of aluminium and magnesium oxide and spinel (Mg(AlO2)2)
Details on test material:
test material: Mat.probe RM0422 V016

Study design

Oxygen conditions:
aerobic
Duration of test (contact time):
23 - 24 d
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption
Details on study design:
aqueous eluate 1:1; CSB=288mg/L O2

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
90.3
Sampling time:
24 d

BOD5 / COD results

BOD5 / COD
Parameter:
BOD5
Value:
120 other: mgO2/L

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified

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