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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)
- Version / remarks:
- 2009
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- Version / remarks:
- 2007
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- mass based distribution
- Specific details on test material used for the study:
- Batch : TROD7BB06
- Mass median aerodynamic diameter:
- 264 µm
- Geometric standard deviation:
- 1.709
- Key result
- Percentile:
- D10
- Mean:
- 97.4 µm
- St. dev.:
- 0.978
- Key result
- Percentile:
- D50
- Mean:
- 204 µm
- St. dev.:
- 0.898
- Key result
- Percentile:
- D90
- Mean:
- 407 µm
- St. dev.:
- 2.39
- Conclusions:
- The test item has been analyzed using a visual microscope and more formally using a Laser Diffraction Particle Size Analyser with the following results (mean ± st dev) :
D10 : 97.4 ± 0.978 μm
D50 : 204 ± 0.898 μm
D90: 407 ± 2.39 μm
MMAD: 264 ± 1.041 µm
No particles were detected with a diameter <10 µm. - Executive summary:
The test item has been analyzed using a visual microscope and more formally using a Laser Diffraction Particle Size Analyser with the following results (mean ± st dev) :
D10 : 97.4 ± 0.978 μm
D50 : 204 ± 0.898 μm
D90: 407 ± 2.39 μm
MMAD: 264 ± 1.041 μm
No particles were detected with a diameter <10 µm.
Reference
0.0 % by volume of sample was seen to be < 10.00 μm
Description of key information
The test item has been analyzed using a visual microscope and more formally using a Laser Diffraction Particle Size Analyser with the following results (mean ± st dev) :
D10 : 97.4 ± 0.978 μm
D50 : 204 ± 0.898 μm
D90: 407 ± 2.39 μm
MMAD: 264 ± 1.041 μm
No particles were detected with a diameter <10 µm.
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