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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
Study period:
2018-03-01
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Qualifier:
equivalent or similar to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Deviations:
yes
Remarks:
Sample was prepared using ultrasonic treatment
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Remarks on result:
other: Mean values of two measurements are reported.
Percentile:
D10
Mean:
3.4 µm
Remarks on result:
other: standard deviation not reported
Percentile:
D50
Mean:
12.3 µm
Remarks on result:
other: standard deviation not reported
Percentile:
D90
Mean:
27.1 µm
Remarks on result:
other: standard deviation not reported
Conclusions:
The particle size distribution of the test item was analysed by laser light diffraction method:
D(v, 0.1) = 3.4 µm;
D(v, 0.5) = 12.3 µm;
D(v, 0.9) = 27.1 µm.
Executive summary:

The particle size distribution of the test item was analysed by laser light diffraction method:

D(v, 0.1) = 3.4 µm;

D(v, 0.5) = 12.3 µm;

D(v, 0.9) = 27.1 µm.

Description of key information

The particle size distribution of the test item was analysed by laser light diffraction method:

D(v, 0.1) = 3.4 µm;

D(v, 0.5) = 12.3 µm;

D(v, 0.9) = 27.1 µm.

Additional information