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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test performed according to EACH Guidance on information requirements and chemicals saftey assessment, Chapter R.7a: Endpoint specific guidance section R.7.1.14 Granulometry

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report Date:
2013

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: EACH Guidance on information requirements and chemicals saftey assessment, Chapter R.7a: Endpoint specific guidance section R.7.1.14 Granulometry
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
15.18 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
5.77 µm
Percentile:
D50
Mean:
15.18 µm
Percentile:
D90
Mean:
29.98 µm
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
0.5 - 1 µm
Distribution:
0 %
No.:
#2
Size:
1 - 2 µm
Distribution:
0.07 %
No.:
#3
Size:
2 - 5 µm
Distribution:
5.72 %
No.:
#4
Size:
5 - 10 µm
Distribution:
23.37 %
No.:
#5
Size:
10 - 15 µm
Distribution:
20.2 %
No.:
#6
Size:
15 - 20 µm
Distribution:
14.57 %
No.:
#7
Size:
20 - 37 µm
Distribution:
34.75 %
No.:
#8
Size:
37 - 44 µm
Distribution:
1.12 %
No.:
#9
Size:
44 - 60 µm
Distribution:
0.19 %
No.:
#10
Size:
60 - 74 µm
Distribution:
0.01 %

Applicant's summary and conclusion

Conclusions:
The particle size distribution of test substance was determined to be MMD= 15.18 µm