Registration Dossier
Registration Dossier
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EC number: 430-050-2 | CAS number: -
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
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Determination of the particle size distribution by laser diffraction
- GLP compliance:
- not specified
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Percentile:
- D10
- Mean:
- 0.97 µm
- Remarks on result:
- other: St. dev. not calculated
- Percentile:
- D25
- Mean:
- 1.56 µm
- Remarks on result:
- other: St. dev. not calculated
- Percentile:
- D50
- Mean:
- 4.13 µm
- Remarks on result:
- other: St. dev. not calculated
- Percentile:
- D90
- Mean:
- 12.84 µm
- Remarks on result:
- other: St. dev. not calculated
- Percentile:
- D99
- Mean:
- 21.51 µm
- Remarks on result:
- other: St. dev. not calculated
- Conclusions:
- The surface mean diameter of the test material is 2.48 µm. The volume mean diameter of the test material is 5.68 µm. The D50 is4.13 µm.
- Executive summary:
The particle size distribution of the test material was determined using laser diffraction. The surface mean diameter, volume mean diameter and D50 of the test material is 2.48 µm, 5.68 µm, and 4.13 µm, respectively.
Reference
surface mean diameter: 2.48 µm; volume mean diameter: 5.68 µm; span: 2.84 µm
Description of key information
surface mean diameter: 2.48 µm; volume mean diameter: 5.68 µm; D50: 4.13 µm.
Additional information
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