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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:
22.05.1995 - 30.05.1995
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: DIN 53 734
GLP compliance:
yes (incl. QA statement)
Type of method:
sieving
Remarks:
air-jet sieve method
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Mass median aerodynamic diameter:
> 125 - < 355 µm
Key result
Percentile:
D10
Mean:
125 µm
Remarks on result:
other: St. dev. unknown
Key result
Percentile:
D75
Mean:
250 µm
Remarks on result:
other: St. dev. unknown
Key result
Percentile:
D95
Mean:
355 µm
Remarks on result:
other: St. dev. unknown

Particle Size Distribution:
d(10 µm) < 0,5 %

d(20 µm) < 0,5 %

d(45 µm) = 0,35 %

d(75 µm) = 1,7 %

d(125 µm) = 7,0 %

d(250 µm) = 73,0 %

d(355 µm) = 95,4 %
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Conclusions:
The particle size distribution of the test material was such that less than 0.5% of particles were within the respirable range (<10 μm). The majority of particles were of a size between 125 and 355 μm.
Executive summary:

The particle size distribution of the test material was such that less than 0.5% of particles were within the respirable range (<10 μm). The majority of particles were of a size between 125 and 355 μm.

Description of key information

The particle size distribution of the test material was such that less than 0.5% of particles were within the respirable range (<10 μm). The majority of particles were of a size between 125 and 355 μm.

Additional information