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EC number: 483-390-9 | CAS number: 12508-61-1
Density
Administrative data
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 29 June 2006 and 24 July 2006.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 30/08/06; Date of signature: 04/09/2006
- Type of method:
- air comparison pycnometer (for solids)
Test material
- Reference substance name:
- -
- EC Number:
- 483-390-9
- EC Name:
- -
- Cas Number:
- 12508-61-1
- Molecular formula:
- H16Mg6O17S
- IUPAC Name:
- hexamagnesium(2+) trihydrate decahydroxide sulfate
Constituent 1
Results and discussion
Density
- Key result
- Type:
- relative density
- Density:
- 2.36 kg/m³
- Temp.:
- 20.6 °C
Any other information on results incl. tables
Calibration
The pressure readings (P1and P2) and the calculated volume for the calibration ball are shown in the following table:
Determination |
P1 |
P2 |
Volume (cm3) |
Certified Volume (cm3) |
Tolerance (cm3) |
A |
17.013 |
8.424 |
56.5 |
56.6 |
± 0.5 |
B |
16.998 |
8.415 |
56.5 |
56.6 |
± 0.5 |
Sample
The pressure readings, calculated volumes and density values obtained for the test material are shown in the following table:
Determination |
P1 |
P2 |
Volume (cm3) |
Density (kg/m3) |
A |
16.996 |
6.660 |
8.07 |
2.36 x 103 |
B |
17.122 |
6.716 |
8.30 |
2.36 x 103 |
Temperature: 20.6 ± 0.5ºC
Mean density: 2.36 x 103 kg/m3
Relative density: 2.36
Conclusion
The relative density of the test material has been determined to be 2.36 at 20.6 ± 0.5°C.
Applicant's summary and conclusion
- Conclusions:
- The relative density of the test material has been determined to be 2.36 at 20.6 ± 0.5°C.
- Executive summary:
For substance MOS-HIGE in project number 1456 -0064,the relative density was determined using a gas comparison pycnometer, Method A3 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).The relative density of the test material has been determined to be 2.36 at 20.6 ± 0.5°C.
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