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EC number: 632-619-2 | CAS number: 881685-58-1
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19 Jun 2008
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC method 187 (particle size analysis by laser diffraction)
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Percentile:
- D10
- Mean:
- 1.65 µm
- St. dev.:
- 0.57
- Key result
- Percentile:
- D50
- Mean:
- 10.3 µm
- St. dev.:
- 0.15
- Percentile:
- D90
- Mean:
- 32.1 µm
- St. dev.:
- 2.47
- Conclusions:
- The average particle size results are Dv(10) 1.65 µm, Dv(50) 10.3 µm and Dv(90) 32.1 µm.
- Executive summary:
The particle size distribution of the test substance was determined using laser diffraction in accordance with CIPAC method 187 and GLP principles. The average particle size results are Dv(10) 1.65 µm, Dv(50) 10.3 µm and Dv(90) 32.1 µm.
Reference
RESULTS
Table 1 Measurements
| Median (µm) | d10 (µm) | d90 (µm) | |
| 1 | 10.940 | 1.621 | 34.208 |
| 2 | 10.429 | 1.622 | 33.848 |
| 3 | 9.501 | 1.521 | 28.351 |
| 4 | 9.899 | 1.566 | 30.868 |
| 5 | 10.567 | 1.916 | 33.296 |
| Average | 10.3 | 1.65 | 32.1 |
Description of key information
Particle sizes: Dv(10) 1.65 µm, Dv(50) 10.3 µm and Dv(90) 32.1 µm, CIPAC method 187, particle size analysis by laser diffraction, Das 2008
Additional information
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