Registration Dossier
Registration Dossier
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EC number: 473-450-2 | 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:
- 16 September 2010 - 17 September 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: This study has been performed according to OECD and EC guidelines and according to GLP principles.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 13320:2009
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of distribution:
- other: laser diffraction particle size analysis
Test material
- Reference substance name:
- No.338 RED
- IUPAC Name:
- No.338 RED
- Details on test material:
- Description: Red powder
Batch: 00004
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 17.509 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- < 6.035 µm
- St. dev.:
- 0.15
- Percentile:
- D50
- Mean:
- < 14.693 µm
- St. dev.:
- 0.11
- Percentile:
- D90
- Mean:
- < 34.096 µm
- St. dev.:
- 0.34
Any other information on results incl. tables
28.47 % by volume of sample was seen to be < 10.00 µm
Applicant's summary and conclusion
- Conclusions:
- Using the laser diffraction test (dry method), the Mass Median Aerodynamic Diameter (MMAD) of the test substance was determined to be 17.509 µm. Furthermore it was determined that 28.74 % by volume of sample was < 10.00 μm.
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