Registration Dossier
Registration Dossier
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EC number: 812-508-7 | CAS number: 1093112-19-6
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 13320:2009 Particle size analysis by Laser diffraction
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- reaction product of alumina and sulfuric acid
- EC Number:
- 812-508-7
- Cas Number:
- 1093112-19-6
- Molecular formula:
- unspecified, UVCB substance
- IUPAC Name:
- reaction product of alumina and sulfuric acid
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
- Mass median aerodynamic diameter:
- 90 µm
- Geometric standard deviation:
- 18
Particle sizeopen allclose all
- Key result
- Percentile:
- D50
- Mean:
- 90 µm
- St. dev.:
- 20
- Remarks on result:
- other: Median diameter is equivalent to MMAD(migrated from fields under 'Mass median diameter' as D50 percentile.
- Key result
- Percentile:
- D90
- Mean:
- 145 µm
- St. dev.:
- 12.5
- Key result
- Percentile:
- D10
- Mean:
- 40 µm
- St. dev.:
- 7.5
Applicant's summary and conclusion
- Conclusions:
- Test item shows a particle size distribution of d10= 40 µm, d50 = 90 µm and d90 = 145 µm.
The mass median aerodynamic diameter (MMAD) of the test item is calculated as ca. 90 µm (D50).
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