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Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report Date:
2017

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
ISO 13320:2009
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
ca. 116.34 µm
Remarks on result:
other: No deviation.
Key result
Percentile:
D25
Mean:
ca. 137 µm
Remarks on result:
other: No deviation.
Key result
Percentile:
D50
Mean:
ca. 158.95 µm
Remarks on result:
other: No deviation.
Key result
Percentile:
D75
Mean:
ca. 176.9 µm
Remarks on result:
other: No deviation.
Key result
Percentile:
D90
Mean:
ca. 189.06 µm
Remarks on result:
other: No deviation.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 26 - < 45.4 µm
Distribution:
ca. 0.07 %
No.:
#2
Size:
> 45.4 - < 65.8 µm
Distribution:
ca. 0.52 %
No.:
#3
Size:
>= 65.8 - <= 79.2 µm
Distribution:
ca. 1.18 %
No.:
#4
Size:
>= 79.2 - <= 95.3 µm
Distribution:
ca. 3.49 %
No.:
#5
Size:
>= 95.3 - <= 114.7 µm
Distribution:
ca. 10.11 %
No.:
#6
Size:
>= 114.7 - <= 138 µm
Distribution:
ca. 24.94 %
No.:
#7
Size:
>= 138 - <= 200 µm
Distribution:
ca. 57.68 %

Applicant's summary and conclusion

Executive summary:

 Parameter  Analytical result and conclusion
Cumulative distribution   

1) d(0.10) : 116.34 μm

2) d(0. 25 ): 137.00 μm

3) d(0.50) : 158.95 μm

4) d(0. 75 ): 176.90 μm

5) d(0.90) : 189.06 μm

 Average particle size in surface area  D [3,2]: 130.55 μm
 Average particle size in volume  D [4,3]: 134.77μm