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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
other: Company Data
Adequacy of study:
key study
Study period:
Not specified
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
no guideline followed
Principles of method if other than guideline:
The test was performed using QUICPIC (0179 Q) & RODOS, 0.50 63.0 mm - M6 (5...1705μm).
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Mass median aerodynamic diameter:
55.75 µm
Key result
Percentile:
D10
Mean:
23.64 µm
St. dev.:
0.28
Key result
Percentile:
D50
Mean:
50.11 µm
St. dev.:
0.64
Key result
Percentile:
D90
Mean:
90.01 µm
St. dev.:
0.78

x10 = 23,64 +/- 0,28 μm

x50 = 50,11 +/- 0,64 μm

x90 = 90,01 +/- 0,78 μm

x16 = 29,44 +/- 0,31 μm

x84 = 78,89 +/- 1,30 μm

x99 = 158,49 +/- 10,16 μm

VMD = 55,76 μm

Copt = 0,11 +/- 0,05 % [45,74 %]

Conclusions:
Under the conditions of this study the median particle size of the test material was 50.11 µm (D50). The D10 was 23.64 µm and the D90 was 90.01 µm.
Executive summary:

The particle size distribution of the test material was investigated using laser diffraction with Sympatec, QUICPIC.

Under the conditions of this study the median particle size of the test material was 50.11 µm (D50). The D10 was 23.64 µm and the D90 was 90.01 µm.

Description of key information

Under the conditions of this study the median particle size of the test material was 50.11 µm (D50). The D10 was 23.64 µm and the D90 was 90.01 µm.

Additional information

The particle size distribution of the test material was investigated using laser diffraction with Sympatec, QUICPIC. The study was awarded a reliability score of 2 in accordance with the criteria set forth by Klimisch et al. (1997).

Under the conditions of this study the median particle size of the test material was 50.11 µm (D50). The D10 was 23.64 µm and the D90 was 90.01 µm.