Registration Dossier
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EC number: 239-554-5 | CAS number: 15519-28-5
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2014-11-12
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: ISO13320 :2009: Particle Size Analysis - Laser Diffraction Methods
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- determination of fibre length and diameter distributions
- Type of particle tested:
- other: powder
Test material
- Reference substance name:
- Caesium carbonate
- EC Number:
- 208-591-9
- EC Name:
- Caesium carbonate
- Cas Number:
- 534-17-8
- Molecular formula:
- CH2O3.2Cs
- IUPAC Name:
- Cesium carbonate
- Test material form:
- solid: crystalline
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 51 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D10
- Mean:
- 20 µm
- Remarks on result:
- other: St. dev. was not given.
- Percentile:
- D50
- Mean:
- 51 µm
- Remarks on result:
- other: St.dev. was not given.
- Percentile:
- D90
- Mean:
- 343 µm
- Remarks on result:
- other: St. dev. was not given.
Any other information on results incl. tables
The analyis was done in a first and a second test series.
The median particle size L50 (D (v, 0.5): 50 % of particle volume or particle mass with lower particle diameter) deduced from these distributions were:
1st test series: L50 = 51.8 µm
2nd test series: L50 = 50.2 µm
The average of the median particle size L50 was:
L50 = 51 µm
The particle size L10 (D (v, 0.1 ): 10 % of particle volume or particle mass with lower particle diameter) deduced from these distributions were:
1st test series: L10 = 20.3 µm
2nd test series: L10 = 19.4 µm
The average of the particle size L10 was:
L10 = 20 µm
The particle size L90 (D (v, 0.9): 90 % of particle volume or particle mass with lower particle diameter) deduced from these distributions were:
1st test series: L90 = 346.4 µm
2nd test series: L90 = 339.6 µm
The average of the particle size L90 was:
L90 = 343 µm
Applicant's summary and conclusion
- Conclusions:
- The particle size was as follows: d10 = 20 µm, d50 = 51.0 µm, d90 = 343 µm.
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