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:
18.08.2004 to 31.08.2004
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Deviations:
no
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
mass based distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
52.98 µm
St. dev.:
19.1
Key result
Percentile:
D50
Mean:
21.98 µm
St. dev.:
19.1
Percentile:
D90
Mean:
2.417 µm
St. dev.:
19.1
Percentile:
D95
Mean:
1.776 µm
St. dev.:
19.1

Applicant's summary and conclusion