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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:
2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Principles of method if other than guideline:
measurement by Laser scattering/diffraction.
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Key result
Percentile:
D10
Mean:
0.61 µm
Remarks on result:
other: no data on St. dev.
Key result
Percentile:
D50
Mean:
2.6 µm
Remarks on result:
other: no data on St. dev.
Key result
Percentile:
D90
Mean:
9.7 µm
Remarks on result:
other: no data on St. dev.
No.:
#1
Size:
< 4 µm
Distribution:
63.5 %
No.:
#2
Size:
< 10 µm
Distribution:
89.4 %
No.:
#3
Size:
< 100 µm
Distribution:
93.8 %
Conclusions:
The particle size distribution of test substance was determined to be MMD= 2.6 µm.

Description of key information

MMD= 2.6 µm

D10= 0.61 µm

D90= 9.7 µm

Additional information

The determination was carried out by Laser scattering/diffraction.


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


<4 µm= 64%


<10 µm= 89%


<100 µm= 94%