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EC number: 908-081-2 | 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:
- 31 March 2017 - 13 April 2017
- 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:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT187
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Specific details on test material used for the study:
- Batch/Lot Number: 150205
Appearance: Blue powder
Purity: As a UVCB purity is considered as 100% - Mass median aerodynamic diameter:
- ca. 83.346 µm
- Geometric standard deviation:
- ca. 0.025
- Key result
- Percentile:
- D10
- Mean:
- ca. 8.551 µm
- St. dev.:
- 0.076
- Key result
- Percentile:
- D50
- Mean:
- ca. 75.028 µm
- St. dev.:
- 1.319
- Key result
- Percentile:
- D90
- Mean:
- ca. 263.823 µm
- St. dev.:
- 5.384
- No.:
- #1
- Size:
- < 10 µm
- Distribution:
- ca. 11.89 %
- Conclusions:
- Analysis using dry powder module average (μm)
Volume Weighted mean: 110.799
Median (d.50): 75.028
Mode: 122.855
MMAD: 83.346
10% of material is < 8.551
50% of material is < 75.028
90% of material is < 263.823
By volume of sample was seen to be < 10.00 μm: 11.89%
Reference
Description of key information
Analysis using dry powder module average (μm)
Volume Weighted mean 110.799
Median (d.50) 75.028
Mode 122.855
MMAD 83.346
10% of material is < 8.551
50% of material is < 75.028
90% of material is < 263.823
By volume of sample was seen to be < 10.00 μm 11.89%
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