Registration Dossier

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
8 March 2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Deviations:
no
Principles of method if other than guideline:
Determination of particle size distribution of a fine powder in suspension into water, by laser diffraction equipment following an internal method LA-CP.27.
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Key result
Percentile:
D10
Mean:
>= 0.57 - <= 1.29 µm
Remarks on result:
other: Range for the four batches
Key result
Percentile:
D50
Mean:
>= 1.41 - <= 2.85 µm
Remarks on result:
other: Range for the four batches
Key result
Percentile:
D90
Mean:
>= 3.73 - <= 5.34 µm
Remarks on result:
other: Range for the four batches
Conclusions:
The test substance has typical particle size distribution between 1 to 3 microns.
Executive summary:

The determination of particle size distribution of a fine powder in suspension into water was conducted using laser diffraction equipment following an internal method LA-CP.27. The test substance has typical particle size distribution between 1 to 3 microns.

Description of key information

Key study: The determination of particle size distribution of a fine powder in suspension into water was conducted using laser diffraction equipment. The test substance has typical particle size distribution between 1 to 3 microns.

Additional information