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
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 guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
particle size distribution determined by mechanical shaking on a sieve tower
GLP compliance:
not specified
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Type:
impurity
Test material form:
solid: bulk

Results and discussion

Remarks on result:
not measured/tested
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 4 mm
Distribution:
< 0.1 %
No.:
#2
Size:
>= 2 - < 4 mm
Distribution:
44.9 %
No.:
#3
Size:
>= 1 - < 2 mm
Distribution:
24.2 %
No.:
#4
Size:
>= 0.5 - < 1 mm
Distribution:
15.3 %
No.:
#5
Size:
>= 0.25 - < 0.5 mm
Distribution:
11.9 %
No.:
#6
Size:
>= 0.125 - < 0.25 mm
Distribution:
3.4 %
No.:
#7
Size:
< 0.125 mm
Distribution:
0.3 %

Applicant's summary and conclusion

Conclusions:
More than 95% of the test substance has a particle size between 0.25 and 4 mm.
Executive summary:

The particle size distribution of the test substance was determined via sieving.

More than 95% of the test substance has a particle size between 0.25 and 4 mm.