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:
January 15, 2004
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2004
Report Date:
2004

Materials and methods

Principles of method if other than guideline:
Laser diffraction
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
6.5 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D50
Mean:
6.5 µm
St. dev.:
0.85

Any other information on results incl. tables

Standard deviation calculated from experience with pigments: 0.13 x D50 (minimum value: 0.1)

Applicant's summary and conclusion

Conclusions:
The mass median diameter is 6.5 µm.
Executive summary:
The mass median diameter using laser diffraction (volumetric distribution) was determined to be 6.5 µm.