Registration Dossier
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EC number: 215-582-3 | CAS number: 1333-22-8
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:
- Experimental date: April 12, 2018 Study completed on 10th July 2018
- 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)
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Specific details on test material used for the study:
- Not applicable
- Mass median aerodynamic diameter:
- >= 3.95 - <= 4.04 µm
- Percentile:
- D10
- Mean:
- 0.75 µm
- St. dev.:
- 0.006
- Percentile:
- D50
- Mean:
- 4 µm
- St. dev.:
- 0.065
- Percentile:
- D90
- Mean:
- 12.35 µm
- St. dev.:
- 0.192
- Conclusions:
- The median particle size L50 of the test item deduced from the particle size distributions was 4.00 µm.
The particle size L10 of the test item deduced from the particle size distributions was 0.75 µm.
The particle size L90 of the test item deduced from the particle size distributions was 12.35 µm. - Executive summary:
The purpose of this study was to determine the particle size distribution of the test item. The study was performed according to the European Commission Regulation (EC) No. 440/2008 and under consideration of the following guidelines: CIPAC MT 187: Particle Size Analysis by Laser Diffraction, ISO13320:2009: Particle Size Analysis - Laser Diffraction Methods, OECD Test Guideline 110: Particle Size Distribution and Guidance on information requirements and chemical safety assessment, Chapter R.7a: Endpoint specific guidance, version 6.0, July 2017, European Chemicals Agency.
The median particle size L50 of the test item deduced from the particle size distributions was 4.00 µm. The particle size L10 of the test item deduced from the particle size distributions was 0.75 µm. The particle size L90 of the test item deduced from the particle size distributions was 12.35 µm.
Reference
Description of key information
The median particle size L50 of the test item deduced from the particle size distributions was 4.00 µm.
The particle size L10 of the test item deduced from the particle size distributions was 0.75 µm.
The particle size L90 of the test item deduced from the particle size distributions was 12.35 µm.
Additional information
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