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EC number: 212-990-3 | CAS number: 903-19-5
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:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions) - Method B: Fibre Length and Diameter Distributions
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Key result
- Percentile:
- D50
- Mean:
- 17 µm
- St. dev.:
- 0.1
- Remarks on result:
- other: D50: 50 Vol.-% of the particles have a smaler diameter
- Key result
- Percentile:
- D10
- Mean:
- 2.4 µm
- Remarks on result:
- other: D10: 10 Vol.-% of the particles have a smaler diameter
- Key result
- Percentile:
- D90
- Mean:
- 62.9 µm
- Remarks on result:
- other: D10: 10 Vol.-% of the particles have a smaler diameter
Reference
Two test series of 3 measurements each were performed with the test item.
Test series 1 |
||
D10: |
2.5 μm |
|
D50: |
17.4 μm |
(Median diameter) |
D90: |
62.9 μm |
|
Test series 2 |
||
D10: |
2.3 μm |
|
D50: |
16.6 μm |
(Median diameter) |
D90: |
60.5 μm |
|
Average |
||
D10: |
2.4 μm |
|
D50: |
17.0 μm |
(Median diameter) |
D90: |
61.7 μm |
|
Description of key information
D10 = 2.4 µm, D50 = 17 µm, D90 = 62.9 µm (OECD 110, Laser scattering/diffraction)
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