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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
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions) - Method B: Fibre Length and Diameter Distributions
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Key result
Percentile:
D50
Mean:
17 µm
St. dev.:
0.1
Remarks on result:
other: D50: 50 Vol.-% of the particles have a smaler diameter
Key result
Percentile:
D10
Mean:
2.4 µm
Remarks on result:
other: D10: 10 Vol.-% of the particles have a smaler diameter
Key result
Percentile:
D90
Mean:
62.9 µm
Remarks on result:
other: D10: 10 Vol.-% of the particles have a smaler diameter

Two test series of 3 measurements each were performed with the test item.

 

Test series 1

D10:

2.5 μm

 

D50:

17.4 μm

(Median diameter)

D90:

62.9 μm

 

Test series 2

D10:

2.3 μm

 

D50:

16.6 μm

(Median diameter)

D90:

60.5 μm

 

Average

D10:

2.4 μm

 

D50:

17.0 μm

(Median diameter)

D90:

61.7 μm

 

Description of key information

D10 = 2.4 µm, D50 = 17 µm, D90 = 62.9 µm (OECD 110, Laser scattering/diffraction)

Additional information

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