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:
13 Nov 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report Date:
2017

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
2009
Deviations:
no
GLP compliance:
yes
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution

Test material

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

Results and discussion

Particle sizeopen allclose all
Percentile:
D25
Mean:
132 µm
St. dev.:
9.02
Remarks on result:
other: mean value of 3 measurements
Percentile:
D50
Mean:
243 µm
St. dev.:
10.5
Remarks on result:
other: mean value of 3 measurements
Percentile:
D75
Mean:
389 µm
St. dev.:
9.71
Remarks on result:
other: mean value of 3 measurements

Any other information on results incl. tables

Test sample

D25

D50

D75

1

133

243

387

2

123

232

381

3

141

253

400

Mean

133

243

389

St. Dev.

9.02

10.5

9.71

RSD [%]

6.8

4.3

2.5

Applicant's summary and conclusion