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:
October to December 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Well documented guideline study

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
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
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
1.5 µm
Remarks on result:
other: The test item consists of particles with irregular shapes. Some particles are round and have incrustations.
Percentile:
D50
Mean:
32.3 µm
Remarks on result:
other: The test item consists of particles with irregular shapes. Some particles are round and have incrustations.
Percentile:
D90
Mean:
187 µm
Remarks on result:
other: The test item consists of particles with irregular shapes. Some particles are round and have incrustations.

Applicant's summary and conclusion

Conclusions:
The median particle size L50 of the test item deduced from the particle size distributions is 32.3 um.
The particle size L10 of the test item deduced from the particle size distributions is 1.5 um.
The particle size L90 of the test item deduced from the particle size distributions is 187.0 um.
Executive summary:

The median particle size L50 of the test item deduced from the particle size distributions is 32.3 um.

The particle size L10 of the test item deduced from the particle size distributions is 1.5 um.

The particle size L90 of the test item deduced from the particle size distributions is 187.0 um.