Registration Dossier
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EC number: 236-957-8 | CAS number: 13566-03-5
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 3.24
- Temp.:
- 20 °C
- Conclusions:
- The relative density at ambient temperature was determined to be 3.24.
- Executive summary:
This is a GLP compliant study following OECD guideline 109 and is considered suitable for use as the key study for this endpoint. The density of palladium (II) sulfate hydrate was measured at ambient temperature with the gas comparison pycnometer. The relative density of the test item at ambient temperature was determined to be 3.24.
Reference
A measurement chamber with a volume of Vc= 11.1841 cm3and an expansion chamber with a volume of Vc= 8.5009 cm3was used.
Two test series with different weights were performed at measurement temperature (20.0 °C).
Table1: Results of the two test series
Measurement No. |
1sttest series |
2ndtest series |
Weight: 11.4843 g |
Weight: 11.4310 g |
|
DensityrPR/ g·cm-3 |
DensityrPR/ g·cm-3 |
|
1 |
3.2447 |
3.2454 |
2 |
3.2443 |
3.2451 |
3 |
3.2440 |
3.2437 |
4 |
3.2454 |
3.2444 |
5 |
3.2447 |
3.2439 |
6 |
3.2442 |
3.2439 |
7 |
3.2440 |
3.2440 |
8 |
3.2442 |
3.2440 |
9 |
3.2437 |
3.2438 |
10 |
3.2437 |
3.2440 |
Mean |
3.2443 |
3.2442 |
Standard deviation |
0.0005 |
0.0005 |
Mean density rPRfor the two test series: 3.2443 g/cm3
Relative density (compared to water at 4 °C): 3.24
Description of key information
The relative density of palladium (II) sulphate hydrate at 20°C was determined to be 3.24.
Key value for chemical safety assessment
- Relative density at 20C:
- 3.24
Additional information
A GLP compliant, guideline study was conducted to determine a relative density of palladium (II) sulphate hydrate (Nau 2016). This study is considered suitable for use as the key study for this endpoint. The density of the test item was measured at ambient temperature with the gas comparison pycnometer.The relative density of the test item at 20 °C was determined to be 3.24.
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