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 was conducted according to ECHA Guidance R.7a.

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: ECHA(11/2012), Guidance on information requirements and chemical safety assessement, Chapter R. 7a: Endpoint specific guidance section R.7.1.14 Granulometry, page 120-131
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

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

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
52.89 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
20.45 µm
Percentile:
D50
Mean:
52.89 µm
Percentile:
D90
Mean:
80.28 µm
Particle size distribution at different passagesopen allclose all
Size:
5 - 10 µm
Distribution:
0.82 %
Size:
10 - 15 µm
Distribution:
0.53 %
Size:
15 - 20 µm
Distribution:
0.81 %
Size:
20 - 37 µm
Distribution:
9.99 %
Size:
37 - 44 µm
Distribution:
10.84 %
Size:
44 - 60 µm
Distribution:
35.51 %
Size:
60 - 74 µm
Distribution:
19.85 %
Size:
74 - 149 µm
Distribution:
13.84 %

Any other information on results incl. tables

0.20 – 0.50 µm: 0.05 %

0.50 – 1.00 µm: 2.22 %

149.00 – 200.00 µm: 0.08 %

200.00 – 350.00 µm: 0.00 %

Applicant's summary and conclusion

Conclusions:
Mass median diameter of the particles of the substance: 52.89 µm