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Diss Factsheets

Administrative data

Endpoint:
transformation / dissolution of metals and inorganic metal compounds
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD Series on Testing and Assessment No. 29 (2001)
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
other: Dissolution was achieved by horizontal agitation during a 24 hours period.

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)

Results and discussion

Solubility of metal ions in aqueous mediaopen allclose all
Type of test:
screening transformation/dissolution test - sparingly soluble metal compounds
Mean dissolved conc.:
>= 100 - <= 1 000 µg/L
Element analysed:
Al
Loading of aqueous phase:
100 mg/L
Incubation duration:
24 h
Test conditions:
pH 6.99 - 7.84
Dissolved oxygene 8.9 - 9.1 mg/L
Type of test:
screening transformation/dissolution test - sparingly soluble metal compounds
Mean dissolved conc.:
>= 1 - <= 5 µg/L
Element analysed:
Mn
Loading of aqueous phase:
100 mg/L
Incubation duration:
24 h
Test conditions:
pH 6.99 - 7.84
Dissolved oxygene 8.9 - 9.1 mg/L

Any other information on results incl. tables

Range Elements in loaded samples

0.1-1 mg/L Al

1-5 µg/L Mn

Applicant's summary and conclusion

Executive summary:

Aluminium (0.5 -10mg/L) and manganese (1 -5µg/L) were found to be significantly increased in loaded samples (Currenta, 2009).