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:
11 Dec 2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well-documented study report which meets basic scientific principles

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report Date:
2015

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Malvern laser diffraction according to company SOP
Version / remarks:
unknown
Deviations:
not specified
Principles of method if other than guideline:
Malvern laser diffraction according to company SOP
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
4.7 µm
St. dev.:
0.6
Percentile:
D10
Mean:
0.77 µm
St. dev.:
0.05
Percentile:
D90
Mean:
14 µm
St. dev.:
3

Applicant's summary and conclusion

Conclusions:
The median particle size of the test substance is 4.7 µm.
Executive summary:

The particle size of the test substance was determined by laser diffraction. The median particle size of the test substance is 4.7 µm.