Registration Dossier
Registration Dossier
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EC number: 200-720-7 | CAS number: 69-93-2
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:
- 2 018
- 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 substance name:
- Uric acid
- EC Number:
- 200-720-7
- EC Name:
- Uric acid
- Cas Number:
- 69-93-2
- Molecular formula:
- C5H4N4O3
- IUPAC Name:
- 7,9-dihydro-1H-purine-2,6,8(3H)-trione
- Test material form:
- solid: particulate/powder
- Details on test material:
- It was manufactured by MOLAR CHEMICALS Ltd.
1
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 %
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