Registration Dossier
Registration Dossier
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EC number: 428-420-3 | CAS number: 71119-22-7 MOPS-NA
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:
- 2020-10-01
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Version / remarks:
- 1981
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- 2009
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Percentile:
- D10
- Mean:
- 10.7 µm
- St. dev.:
- 0.26
- Key result
- Percentile:
- D50
- Mean:
- 138.3 µm
- St. dev.:
- 1.58
- Percentile:
- D90
- Mean:
- 323.4 µm
- St. dev.:
- 5.97
- Conclusions:
- The D10, D50 and D90 percentile were determined as D10 = 10.4 µm, D50 = 139.8 µm and D90 = 329.4 µm, respectively.
- Executive summary:
A study was conducted according to OECD Test Guideline 110 and ISO 13320 (2009). The D10, D50 and D90 percentile were determined by laser diffraction as D10 = 10.4 µm, D50 = 139.8 µm and D90 = 329.4 µm, respectively.
Reference
Test series 1
D10: 10.4 µm Standard deviation: 0.93 µm
D50: 139.8 µm (Median diameter) Standard deviation: 3.11 µm
D90: 329.4 µm Standard deviation: 4.96 µm
Test series 2
D10: 11.0 µm Standard deviation: 0.17 µm
D50: 136.7 µm (Median diameter) Standard deviation: 1.66 µm
D90: 317.4 µm Standard deviation: 1.92 µm
Average
D10: 10.7 µm Standard deviation: 0.26 µm
D50: 138.3 µm (Median diameter) Standard deviation: 1.58 µm
D90: 323.4 µm Standard deviation: 5.97 µm
Description of key information
The D10, D50 and D90 percentile were determined as D10 = 10.4 µm, D50 = 139.8 µm and D90 = 329.4 µm, respectively (reference 4.5-1).
Additional information
A study was conducted according to OECD Test Guideline 110 and ISO 13320 (2009). The D10, D50 and D90 percentile were determined by laser diffraction as D10 = 10.4 µm, D50 = 139.8 µm and D90 = 329.4 µm, respectively.
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