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Particle size distribution (Granulometry)

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Reference
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:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
yes (incl. certificate)
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Key result
Percentile:
D10
Mean:
6.2 µm
St. dev.:
1.08
Key result
Percentile:
D50
Mean:
25.6 µm
St. dev.:
1.38
Key result
Percentile:
D90
Mean:
72.2 µm
St. dev.:
4.16
Key result
Percentile:
D95
Mean:
104 µm
St. dev.:
9.81
Key result
Percentile:
D99
Mean:
178 µm
St. dev.:
32.5
Conclusions:
6 independent measurements were performed. The average size (D50) of the substance particles was determined to be 72.2 µm.

The following particle size distribution was found:
< 2 µm: 2% w/w
>= 2 and <= 200 µm: 97.5% w/w
> 200 µm: 0.5% w/w

Description of key information

6 independent measurements were performed. The average size (D50) of the substance particles was determined to be 72.2 µm.

The following particle size distribution was found:

< 2 µm: 2% w/w

>= 2 and <= 200 µm: 97.5% w/w

> 200 µm: 0.5% w/w

Additional information