Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
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:
- guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
- Deviations:
- no
- GLP compliance:
- not specified
- Type of method:
- determination of fibre length and diameter distributions
Test material
- Reference substance name:
- Halohydrin dehalogenase
- Cas Number:
- 132421-41-1
- IUPAC Name:
- Halohydrin dehalogenase
- Test material form:
- solid
- Details on test material:
- Lot number PF 791
Constituent 1
Results and discussion
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- > 2 mm
- Distribution:
- 0 %
- No.:
- #2
- Size:
- >= 425 - < 2 000 µm
- Distribution:
- 1.54 %
- No.:
- #3
- Size:
- >= 75 - < 425 µm
- Distribution:
- 52.13 %
- No.:
- #4
- Size:
- < 75 µm
- Distribution:
- 46.34 %
Applicant's summary and conclusion
- Conclusions:
- > 2.00 mm: 0.00%
2.00 mm to 425 μm: 1.54%
425 μm to 75 μm: 52.13%
<75 μm: 46.34% - Executive summary:
The particle size distribution was determined according to EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution). The particle size was, 46.34% at <75 μm, 52.13% between 75 μm and 4.25 μm, 1.54% between 4.25 μm and 2.0 mm and 0% > 2.0 mm.
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