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Physical & Chemical properties

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:
2020
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Key result
Percentile:
D10
Mean:
1.5 µm
St. dev.:
0.01
Key result
Percentile:
D50
Mean:
4.6 µm
St. dev.:
0.01
Key result
Percentile:
D90
Mean:
12.3 µm
St. dev.:
0.01
No.:
#1
Size:
< 4 µm
Distribution:
43 %
No.:
#2
Size:
< 10 µm
Distribution:
84 %
No.:
#3
Size:
< 50 µm
Distribution:
100 %
Conclusions:
The particle size distribution of test substance was determined to be D50= 4.6 µm

Description of key information

MMD= 4.6 µm

D10= 1.5 µm

D90= 12.3 µm

Additional information

The determination was conducted by laser diffraction method according to ISO 13320 -1.

In addition, the values [vol%] for the particle size fractions are as follows:

<4 μm= 43%

<10 μm= 84%

<50 μm= 100%