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EC number: 204-977-6 | CAS number: 130-15-4
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)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- mass based distribution
- Mass median aerodynamic diameter:
- 18.321 µm
- Geometric standard deviation:
- 0.015
- Percentile:
- D10
- Mean:
- 5.963 µm
- St. dev.:
- 0.132
- Percentile:
- D50
- Mean:
- 15.364 µm
- St. dev.:
- 0.282
- Percentile:
- D90
- Mean:
- 44.177 µm
- St. dev.:
- 1.349
- Conclusions:
- The particle size mass media aerodynamic diameter (MMAD) was determined to be 18.321 µM and the volume of sample with particles < 10 µm was 28.4%.
Reference
Under magnification, the sample was observed to be made up of single crystalline particles. The smallest individual particle size was approximately 3 μm and the largest individual size was approximately 58 μm.
Description of key information
The particle size mass media aerodynamic diameter (MMAD) was determined to be 18.321 µM and the volume of sample with particles < 10 µm was 28.4%. These values were determined using a laser diffraction particle size analyser and in accordance with ISO 13320:2009.
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