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:
31 Aug 2017 - 1st Sept 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

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

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Deviations:
not specified
Qualifier:
equivalent or similar to
Guideline:
EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
Deviations:
not specified
GLP compliance:
no
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: crystalline

Results and discussion

Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
ca. 0.77 µm
St. dev.:
0.029
Key result
Percentile:
D50
Mean:
ca. 2.27 µm
St. dev.:
0.139
Key result
Percentile:
D90
Mean:
ca. 7 µm
St. dev.:
0.41
Percentile:
D99
Mean:
ca. 18.59 µm
St. dev.:
1.037

Applicant's summary and conclusion