Registration Dossier
Registration Dossier
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EC number: 918-205-7 | 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
- Study period:
- 2017-05-29
- 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 B: Fibre Length and Diameter Distributions
- Version / remarks:
- 1981
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- mass based distribution
- Key result
- Percentile:
- D10
- Mean:
- 4.6 µm
- Remarks on result:
- other: Standard deviation not reported
- Key result
- Percentile:
- D50
- Mean:
- 172.9 µm
- Remarks on result:
- other: Standard deviation not reported
- Key result
- Percentile:
- D90
- Mean:
- 507.2 µm
- Remarks on result:
- other: Standard deviation not reported
- Conclusions:
- n-Butyltriphenylphosphonium bromide has a median particle size D50 = 172.9 µm, which was determined by laser diffraction measurement. D10 and D90 are 4.6 and 507.2 µm, respectively.
Reference
Two test series of 3 measurements each were performed with the test item.
Test series 1
D10: 4.8 µm
D50: 177.8 µm (Median diameter)
D90: 515.4 µm
Test series 2
D10: 4.4 µm
D50: 168.0 µm (Median diameter)
D90: 499.1 µm
Average
D10: 4.6 µm
D50: 172.9 µm (Median diameter)
D90: 507.2 µm
Description of key information
Median particle size D50 = 172.9 µm
D10, D50 and D90: 4.6, 172.9 and 507.2 µm, respectively.
Additional information
GLP study according to OECD TG 110 using laser diffraction measurement
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