Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Study plan:16/06/2021
Draft report: 14/10/2021
Final report: 16/Nov/2021 - Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: OECD No. 29. Guidance document on transformation/dissolution of metals and metal compounds in aqueous media.
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- other: Transformation/dissolution
Test material
- Reference substance name:
- Amorphous barium copper zinc borobismuthate
- Molecular formula:
- Not applicable as UVCB
- IUPAC Name:
- Amorphous barium copper zinc borobismuthate
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Water solubilityopen allclose all
- Water solubility:
- ca. 40.74 µg/L
- Incubation duration:
- ca. 28 d
- pH:
- ca. 8
- Remarks on result:
- other: Solubility of Zn. Temperature not reported.
- Water solubility:
- ca. 33.18 µg/L
- Incubation duration:
- ca. 7 d
- pH:
- ca. 8
- Remarks on result:
- other: Solubility of Zn. Temperature not reported.
- Water solubility:
- ca. 6.05 µg/L
- Incubation duration:
- ca. 28 d
- pH:
- ca. 8
- Remarks on result:
- other: Solubility of Cu. Temperature not reported.
- Water solubility:
- ca. 5.53 µg/L
- Incubation duration:
- ca. 7 d
- pH:
- ca. 8
- Remarks on result:
- other: Solubility of Cu. Temperature not reported.
- Water solubility:
- ca. 6.2 µg/L
- Incubation duration:
- ca. 28 d
- pH:
- ca. 6
- Remarks on result:
- other: Solubility of Bi. Temperature not reported.
- Water solubility:
- ca. 51.55 µg/L
- Incubation duration:
- ca. 7 d
- pH:
- ca. 6
- Remarks on result:
- other: Solubility of Bi. Temperature not reported.
- Water solubility:
- ca. 40.01 µg/L
- Incubation duration:
- ca. 24 h
- pH:
- ca. 8
- Remarks on result:
- other: Solubility of Zn. Temperature not reported.
- Water solubility:
- ca. 36.9 µg/L
- Incubation duration:
- ca. 24 h
- pH:
- ca. 6
- Remarks on result:
- other: Solubility of Zn. Temperature not reported.
- Water solubility:
- ca. 2.63 µg/L
- Incubation duration:
- ca. 24 h
- pH:
- ca. 8
- Remarks on result:
- other: Solubility of Cu. Temperature not reported.
- Water solubility:
- ca. 5.54 µg/L
- Incubation duration:
- ca. 24 h
- pH:
- ca. 6
- Remarks on result:
- other: Solubility of Cu. Temperature not reported.
- Water solubility:
- 4.89 µg/L
- Incubation duration:
- ca. 24 h
- pH:
- 6
- Remarks on result:
- other: Solubility of Bi. Temperature not reported.
- Water solubility:
- 83.68 µg/L
- Incubation duration:
- ca. 24 h
- pH:
- 8
- Remarks on result:
- other: Solubility of Bi. Temperature not reported.
- Details on results:
- 24 h & Full test 28 days
Applicant's summary and conclusion
- Conclusions:
- Amorphous barium copper zinc borobismuthate was measured for Bi, Cu and Zn solubility in a 24 h transformation/dissolution test at pH 6 and pH 8.
The highest concentration of Bi was 83.68 ug/L (pH 8) after 24h.
The highest concentration of Cu was 5.54 ug/L (pH 6) after 24h.
The highest concentration of Zn was 40.01 ug/L (pH 8) after 24h.
The highest concentration of Bi was 51.55 ug/L (pH 6) after 7d.
The highest concentration of Cu was 5.53 ug/L (pH 8) after 7d.
The highest concentration of Zn was 33.18 ug/L (pH 8) after 7d.
The highest concentration of Bi was 6.2 ug/L (pH 6) after 28d.
The highest concentration of Cu was 6.05 ug/L (pH 8) after 28d.
The highest concentration of Zn was 40.74 ug/L (pH 8) after 28d. - Executive summary:
Table below compares the acute and chronic ERVs for Zn and Cu in the EU with the 7 and 28 d release rates measured by the transformation dissolution protocol for a dosing of 1 mg/l at pH 8.
The values in green would correspond with no hazard classifications, Acute and Chronic, due to a lower TDp release than the corresponding ERVs values.
Sample name
Zn
Acute ERV in µg/l
7 d Zn release in µg/l
Zn
chronic ERV in µg/l
28 d Zn release in µg/l
Cu
Acute ERV in µg/l
7 d Cu release in µg/l
Cu
chronic ERV in µg/l
28 d Cu
release in µg/l
Glass powder lot.No.2102151
413
33,18
82
40,78
12
5,53
13
6,05
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