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:
2018
Report Date:
2018

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Balance Analytical balance, Sartorius BP221 (accuracy 4 decimal places)
Sieve kit CISA type manual series
Description of method: 100 g uric acid was sieved manually through the standard sieve series, and then the fractions was weighed.

GLP compliance:
no
Type of method:
sieving
Type of distribution:
mass based distribution

Test material

Reference
Name:
Unnamed
Test material form:
solid: particulate/powder
Details on test material:
It was manufactured by MOLAR CHEMICALS Ltd.

Results and discussion

Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 125 µm
Distribution:
ca. 0 %
No.:
#2
Size:
>= 100 - <= 125 µm
Distribution:
ca. 99.72 %
No.:
#3
Size:
> 63 - < 100 µm
Distribution:
ca. 0.28 %

Any other information on results incl. tables

> 125 micrometer = 0 %

100-125 micrometer = 99,72 %

63-100 micrometer = 0,28 %

Applicant's summary and conclusion

Conclusions:
> 125 micrometer = 0 %
100-125 micrometer = 99,72 %
63-100 micrometer = 0,28 %
Executive summary:

> 125 micrometer = 0 %

100-125 micrometer = 99,72 %

63-100 micrometer = 0,28 %