Registration Dossier
Registration Dossier
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EC number: 937-221-5 | CAS number: -
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 22-APR-2013 to 28-AUG-2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted in compliance with GLP and according to the OECD guideline 105 and EU method A.6.
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- other: EU Method A.6 (Water Solubility)
- Deviations:
- not applicable
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guideline 105 (Water Solubility)
- Deviations:
- not applicable
- Principles of method if other than guideline:
- The pH of the test item was measured during the water solubility study.
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- reaction mass of neodymium carbonate and praseodymium carbonate
- Molecular formula:
- (Nd,Pr)2 (CO3)3
- IUPAC Name:
- reaction mass of neodymium carbonate and praseodymium carbonate
- Reference substance name:
- 937-221-5
- IUPAC Name:
- 937-221-5
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Constituent 2
Results and discussion
pH value
- pH value:
- 6.3 - 6.6
- Temp.:
- 20 °C
- Concentration:
- 1 g/L
Applicant's summary and conclusion
- Conclusions:
- The pH of the reaction mass of neodymium carbonate and praseodymium carbonate is 6.3 - 6.6 at 20.0 ± 0.5°C (for a loading rate of 1.0 g/L in active ingredient).
- Executive summary:
The pH of the reaction mass of neodymium carbonate and praseodymium carbonate was determined during a water solubility study performed according to EU method A.6 and OECD guideline 105 and in compliance with GLP, using the flask method.
Three samples were analysed at both loading rates of 0.1 and 1.0 g/L in active ingredient, after a shaking time of 24, 48, or 72 h. The pH of the test item was ranging from 6.3 to 6.6 at 20.0°C, for a loading rate of 1.0 g/L in active ingredient.
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