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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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
according to guideline
Guideline:
other: APAG-MS-005 (determination of sieve residue)
Qualifier:
according to guideline
Guideline:
other: MFACI031 (Instrumental method Cilas)
Principles of method if other than guideline:
Determination of particle size distribution in tiered approach: sieving, followed by instrumental method, wet method (Cilas 930 analyzer, based on light scattering).
GLP compliance:
no
Type of method:
sieving
Type of distribution:
volumetric distribution
Percentile:
D10
Mean:
2.1 µm
Remarks on result:
other: standard deviation not known
Percentile:
D50
Mean:
8.76 µm
Remarks on result:
other: standard deviation not known
Percentile:
D90
Mean:
22.5 µm
Remarks on result:
other: standard deviation not known
No.:
#1
Size:
> 45 µm
Distribution:
0.01 %
Remarks on result:
other: Sieve residue mesh < 325
No.:
#2
Size:
> 20 µm
Distribution:
13.2 %
Remarks on result:
other: Sieve residue mesh < 600

Description of key information

D10: 2.1 µm, D50: 8.76 µm, D90: 22.5 µm (Light scattering)

> 45 µm 0.01 %, > 20 µm 13.2 % (APAG-MS-005, sieve method)

Additional information