Registration Dossier
Registration Dossier
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EC number: 636-728-6 | CAS number: 24690-44-6
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: GB/T 19077-2016
- Principles of method if other than guideline:
- The particle size is determined according to GB/T 19077-2016: “Particle size analysis - Laser diffraction methods”. A sample, dispersed at an adequate concentration in gas, is passed through the beam of a monochromatic light source, usually a laser. The light scattered by the particles, at various angles, is measured by multi-element detectors, These numerical scattering values are then transformed, using an appropriate optical model and mathematical procedure, to yield the proportion of the total volume of particles to a discrete number of size classes forming a volumetric particle size distribution (PSD).
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- (4R)-4-[(4S)-2-oxo-1,3-dioxolan-4-yl]-1,3-dioxolan-2-one
- EC Number:
- 636-728-6
- Cas Number:
- 24690-44-6
- Molecular formula:
- C6H6O6
- IUPAC Name:
- (4R)-4-[(4S)-2-oxo-1,3-dioxolan-4-yl]-1,3-dioxolan-2-one
- Test material form:
- solid
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D10
- Mean:
- 25.3 µm
- Remarks on result:
- other: The determination result can be considered valid.
- Percentile:
- D50
- Mean:
- 105 µm
- Remarks on result:
- other: The determination result can be considered valid.
- Percentile:
- D90
- Mean:
- 315 µm
- Remarks on result:
- other: The determination result can be considered valid.
Any other information on results incl. tables
Average particle size in surface area D(3,2) 48.9 μm
Average particle size in volume D(4,3) 141 μm
Applicant's summary and conclusion
- Conclusions:
- Cumulative distribution
1) D10: 25.3 μm
2) D50: 105 μm
3) D90: 315 μm
Average particle size in surface area
D [3,2]: 48.9 μm
Average particle size in volume
D [4,3]: 141 μm
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