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EC number: 410-690-9 | CAS number: 103055-07-8 CGA 184699
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:
- 21 Jun 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC method 187 (Fraunhofer diffraction method) using the dry-dispersion unit.
- GLP compliance:
- yes
- Other quality assurance:
- other:
- Type of method:
- Laser scattering/diffraction
- Remarks:
- using the dry-dispersion unit
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Percentile:
- D10
- Mean:
- 10.2 µm
- St. dev.:
- 0.63
- Key result
- Percentile:
- D50
- Mean:
- 42.3 µm
- St. dev.:
- 1.57
- Percentile:
- D90
- Mean:
- 95.9 µm
- St. dev.:
- 1.19
- Conclusions:
- The average particle size results are Dv(10) 10.2 µm, Dv(50) 42.3 µm and Dv(90) 95.9 µm.
- Executive summary:
The particle size distribution of the test substance was determined using laser diffraction in accordance with CIPAC method 187 (Fraunhofer diffraction method) using the dry-dispersion unit and GLP principles. The average results are Dv(10) 10.2 µm, Dv(50) 42.3 µm and Dv(90) 95.9 µm.
Reference
Table 1. Individual results particle size
Determination |
Dv(10) [µm] |
Dv(50) [µm] |
Dv(90) [µm] |
1 |
10.2 |
43.1 |
97.0 |
2 |
10.1 |
41.9 |
94.7 |
3 |
10.2 |
42.0 |
95.9 |
Description of key information
Particle sizes: Dv(10) 10.2 µm, Dv(50) 42.3 µm and Dv(90) 95.9 µm, CIPAC MT187, particle size analysis by laser diffraction, Das 2021
Additional information
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