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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:
2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Laser diffraction is the well experienced standard procedure for pigments to determine particle size distribution of the pigment powder as it is manufactured and delivered.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ISO13320-1: Particle Size Distribution - Laser Diffraction Methods
Deviations:
no
GLP compliance:
not specified
Type of distribution:
other: Laser Diffraction Methode

Test material

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
ca. 9 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
ca. 0.83 µm
Remarks on result:
other: St. dev. was not determined
Percentile:
D90
Mean:
ca. 23.759 µm
Remarks on result:
other: St. dev. was not determined

Applicant's summary and conclusion

Conclusions:
The test substance has a median particle size of 9 micrometer.
Executive summary:

The particle size of the test substance was determined by laser diffraction. The test substance has a median particle size of 9 micrometer.