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:
November 15, 2005
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report Date:
2006

Materials and methods

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

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
2 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D50
Mean:
2.21 µm
St. dev.:
0.29

Any other information on results incl. tables

Mass median diameter given as the rounded figure of 2 µm.

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 2 µm.
Executive summary:

The mass median diameter using Malvern laser diffraction (volumetric distribution) was determined to be 2 µm.