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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Percentile:
D10
Mean:
ca. 16 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D10 percentile. No source field for Standard deviation.
Percentile:
D50
Mean:
ca. 43 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D90
Mean:
ca. 118 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D90 percentile. No source field for Standard deviation.
No.:
#1
Size:
>= 400 µm
Distribution:
ca. 0.96 %
No.:
#2
Size:
>= 163 - < 400 µm
Distribution:
ca. 5.65 %
No.:
#3
Size:
>= 76 - < 163 µm
Distribution:
ca. 15.21 %
No.:
#4
Size:
>= 31.1 - < 76 µm
Distribution:
ca. 46.07 %
No.:
#5
Size:
>= 12.7 - < 31.1 µm
Distribution:
ca. 25.75 %
No.:
#6
Size:
< 12.7 µm
Distribution:
ca. 6.35 %
Conclusions:
Cumulative distribution

1) d(0.10): 16.0 μm
2) d(0.50): 43.0 μm
3) d(0.90): 118 μm

Average particle size in surface area D [3,2]: 31.2 μm

Average particle size in volume D [4,3]: 64.2 μm

Description of key information

Cumulative distribution

1) d(0.10): 16.0 μm

2) d(0.50): 43.0 μm

3) d(0.90): 118 μm

Average particle size in surface area D [3,2]: 31.2 μm

Average particle size in volume D [4,3]: 64.2 μm

Additional information

The obsecuration value is 16.85%, conforms to the requirement for testing.

The determination result can be considered valid.