Registration Dossier
Registration Dossier
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EC number: 446-640-8 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2004
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: EUROPEAN COMMISSION, Directorate General XII-JRC, Science Research and Development-Joint Research Centre. “Particle Size Distribution, Fibre Length and Diameter Distribution” Guidance Document, ECB/TM/February 1996.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: the laser scattering/ diffraction method combined with sieving
- Type of distribution:
- other: size distribution measurement using the laser diffraction,
Test material
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Results and discussion
- Mass median aerodynamic diameter:
- ca. 271 µm
- Geometric standard deviation:
- ca. 0
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- ca. 271 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D50
- Mean:
- ca. 271 µm
- St. dev.:
- 0
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- <= 271.02 µm
- Distribution:
- ca. 50 %
- No.:
- #2
- Size:
- <= 271.02 µm
- Distribution:
- ca. 50 %
- No.:
- #3
- Size:
- <= 271.02 µm
- Distribution:
- ca. 50 %
- No.:
- #4
- Size:
- <= 271.02 µm
- Distribution:
- ca. 50 %
Applicant's summary and conclusion
- Conclusions:
- The particle size distribution of ucb 22060 has been determined by sieving and laser
diffraction analysis. The mass median diameter (MD) was determined to be
271.0 pm.
The particle size distribution was found to range from approximately 0.3 pm to 2000 pm.
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