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:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report Date:
2018

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution

Test material

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

Results and discussion

Remarks on result:
other: polymodal distribution with two maxima at 40 and 250 micrometer
Particle sizeopen allclose all
Key result
Percentile:
D50
Mean:
ca. 226.6 µm
Remarks on result:
other: no SD indicated
Key result
Percentile:
D10
Mean:
ca. 68.5 µm
Remarks on result:
other: no SD indicated
Key result
Percentile:
D90
Mean:
ca. 388.1 µm
Remarks on result:
other: no SD indicated

Applicant's summary and conclusion

Conclusions:
The median particle size L50 fo the test item decuded from the particle size distributions was 226.6 micrometer.