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:
12.2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
equivalent or similar to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Percentile:
D10
Mean:
234.527 µm
Remarks on result:
other: mean of 6 samples
Percentile:
D50
Mean:
574.311 µm
Remarks on result:
other: mean of 6 samples
Percentile:
D90
Mean:
1 095.964 µm
Remarks on result:
other: mean of 6 samples
Conclusions:
The particles have a size for d10 of 234.527 µm, for d50 of 574.311 µm and for d90 of 1095.964 µm.
Executive summary:

The particle size distribution of the test item was assessed via laser diffraction with a Malvern device. The test was performed similar to ISO 13320. It was observed, that the particles have the following sizes and are not existing as nanomaterial:


d10: 234.527 µm


d50: 574.311 µm


d90: 1095.964 µm.

Description of key information

The particle size distribution of the test item was assessed via laser diffraction with a Malvern device. The study was performed similar to ISO 13320. It was observed, that the particles have the following sizes and are not existing as nanomaterial:


d10: 234.527 µm


d50: 574.311 µm


d90: 1095.964 µm

Additional information