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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:
other: CIPAC MT 187: Particle Size Analysis by Laser Diffraction
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: 1SO13320:2009: Particle Size Analysis - Laser Diffraction Methods
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: Final document EUR 20268 EN (2002)
Deviations:
no
GLP compliance:
yes
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Percentile:
other: L50
Mean:
201 µm
St. dev.:
1
Percentile:
other: L10
Mean:
42.7 µm
St. dev.:
1
Percentile:
other: L90
Mean:
391.8 µm
St. dev.:
1
No.:
#1
Size:
198.82 µm
Remarks on result:
other: L50 (1st test series)
No.:
#2
Size:
203.18 µm
Remarks on result:
other: L50 (2nd test series)
No.:
#1
Size:
42.88 µm
Remarks on result:
other: L10 (1st test series)
No.:
#2
Size:
42.58 µm
Remarks on result:
other: L10 (2nd test series)
No.:
#1
Size:
388.33 µm
Remarks on result:
other: L90 (1st test series)
No.:
#2
Size:
395.15 µm
Remarks on result:
other: L90 (2nd test series)
Conclusions:
The median particle size L50 of the test item deduced from the particle size distributions is 201.0 µm.
Executive summary:

The particle size distribution of the test item was determined by laser diffraction (light scattering).

The median particle size L50 of the test item deduced from the particle size distributions is 201.0 µm.

The particle size L10 of the test item deduced from the particle size distributions is 42.7 µm.

The particle size L90 of the test item deduced from the particle size distributions is 391.8 µm

Description of key information

Particle size distribution was determined by laser diffraction (light scattering)

Additional information

Median particle size L50 of the test item deduced from the particle size distributions is 201.0 µm