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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:
from 02 to 02 march 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
equivalent or similar to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
not specified
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: NAOX00 - 1704258_09 - 1703997-08 - 17033991_07
Mass median aerodynamic diameter:
>= 28.21 - <= 49.27 µm
Geometric standard deviation:
>= 22.45 - <= 32.39
Percentile:
D10
Mean:
7.02 µm
Remarks on result:
other: 3 samples mean
Percentile:
D50
Mean:
33.67 µm
Remarks on result:
other: 3 samples mean
Percentile:
D90
Mean:
80.17 µm
Remarks on result:
other: 3 samples mean
No.:
#1
Size:
9.306 µm
Distribution:
< 10 %
Remarks on result:
other: sample 1704258-9
No.:
#2
Size:
22.15 µm
Distribution:
< 25 %
Remarks on result:
other: sample 1704258-9
No.:
#3
Size:
46.26 µm
Distribution:
< 50 %
Remarks on result:
other: sample 1704258-9
No.:
#4
Size:
70 µm
Distribution:
< 75 %
Remarks on result:
other: sample 1704258-9
No.:
#5
Size:
94.27 µm
Distribution:
< 90 %
Remarks on result:
other: sample 1704258-9
No.:
#6
Size:
5.123 µm
Distribution:
< 10 %
Remarks on result:
other: sample 1703997
No.:
#7
Size:
10.3 µm
Distribution:
< 25 %
Remarks on result:
other: sample 1703997
No.:
#8
Size:
20.97 µm
Distribution:
< 50 %
Remarks on result:
other: sample 1703997
No.:
#9
Size:
42.94 µm
Distribution:
< 75 %
Remarks on result:
other: sample 1703997
No.:
#10
Size:
63.1 µm
Distribution:
< 90 %
Remarks on result:
other: sample 1703997
Conclusions:
The median particle size D50 of the test item deduced from the particle size distributions was : 33.67 micrometer.
The particle size D10 of the test item deduced from the particle size distributions was : 7.02 micrometer.
The particle size D90 of the test item deduced from the particle size distributions was :80.17 micrometer.
Executive summary:

The particle size distribution of test item was determined following test standards ISO 13320 (Particle size analysis - Laser diffraction methods).

The median particle size D50 of the test item deduced from the particle size distributions was : 33.67 micrometer.

The particle size D10 of the test item deduced from the particle size distributions was : 7.02 micrometer.

The particle size D90 of the test item deduced from the particle size distributions was :80.17 micrometer.

Description of key information

The median particle size D50 of the test item deduced from the particle size distributions was : 33.67 micrometer.

The particle size D10 of the test item deduced from the particle size distributions was : 7.02 micrometer.

The particle size D90 of the test item deduced from the particle size distributions was :80.17 micrometer.

Additional information