Registration Dossier

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Sept. 20, 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The study is performed according to guideline ISO 13320. However, detailed protocol is not available.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: ISO 13320
Deviations:
not specified
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
ca. 14.008 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
ca. 0.406 µm
Remarks on result:
other: Standard deviation not available
Percentile:
D50
Mean:
ca. 14.008 µm
Remarks on result:
other: Standard deviation not available
Percentile:
D90
Mean:
ca. 33.238 µm
Remarks on result:
other: Standard deviation not available
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 1 - < 15 µm
Distribution:
ca. 40.32 %
No.:
#2
Size:
> 1 - < 25 µm
Distribution:
ca. 65.88 %
No.:
#3
Size:
> 10 - < 60 µm
Distribution:
ca. 64.31 %
No.:
#4
Size:
> 10 - < 100 µm
Distribution:
ca. 64.35 %
No.:
#5
Size:
> 10 - < 130 µm
Distribution:
ca. 64.35 %
No.:
#6
Size:
> 15 - < 150 µm
Distribution:
ca. 46.65 %
No.:
#7
Size:
> 20 - < 200 µm
Distribution:
ca. 31.94 %
No.:
#8
Size:
> 20 - < 250 µm
Distribution:
ca. 31.94 %
No.:
#9
Size:
> 40 - < 450 µm
Distribution:
ca. 5.05 %
No.:
#10
Size:
> 50 - < 700 µm
Distribution:
ca. 1.49 %

Any other information on results incl. tables

Specific surface area: 1.42 m2/g

Particle density: 3.400 g/cc

Applicant's summary and conclusion

Conclusions:
The mean particle size of the test substance is 14.008 µm. Based on the distribution the amount of particles under 15 um is ca. 40.32 % .