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EC number: 600-809-4 | CAS number: 1072-53-3
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 21th February 2018 ~ 26th March 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- GLP compliance:
- not specified
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- other: samples as provided by study sponsor
- Type of distribution:
- other: Mie theory
- Specific details on test material used for the study:
- Sample name : ESA
Shape : White powder
Chemical name : 1,3,2-Dioxathiolane 2,2-dioxide - Mass median aerodynamic diameter:
- 1 870 µm
- Percentile:
- D90
- Mean:
- >= 2 545 - <= 2 914 µm
- Remarks on result:
- other: Cumulative diameter
- Percentile:
- D50
- Mean:
- >= 1 523 - <= 2 087 µm
- Remarks on result:
- other: Cumulative diameter
- Percentile:
- D10
- Mean:
- >= 658 - <= 1 077 µm
- Remarks on result:
- other: Cumulative diameter
- Conclusions:
- The average particle size of the ESA sample was 1870 µm after five times of particle size analysis by laser diffraction and scattering.
- Executive summary:
The particle size was measured using the Laser diffraction / scattering method according to ISO 13320 : 2009.
Reference
Particle size measure ment result
ESA of Diameter on cumulative
Measure No. |
Unit |
Diameter on cumulative 10% |
Diameter on cumulative 50% |
Diameter on cumulative 90% |
1 |
㎛ |
882 |
2087 |
2889 |
2 |
㎛ |
922 |
1997 |
2784 |
3 |
㎛ |
1077 |
2038 |
2914 |
4 |
㎛ |
902 |
1523 |
2545 |
5 |
㎛ |
658 |
1747 |
2700 |
Result I
Measure No. |
Median Size (㎛) |
Mean particle size (㎛) |
1 |
2088 |
2017 |
2 |
1998 |
1948 |
3 |
2038 |
2028 |
4 |
1524 |
1632 |
5 |
1747 |
1723 |
Mean Size |
1879 |
1870 |
Result II
Sample name |
Refractive Index |
Mean particle size (㎛) |
ESA |
1.60 |
1870 |
Description of key information
The average particle size of the ESA sample was 1870 µm after five times of particle size analysis by laser diffraction and scattering.
ESA of Diameter on cumulative
Measure No. |
Unit |
Diameter on cumulative 10% |
Diameter on cumulative 50% |
Diameter on cumulative 90% |
1 |
㎛ |
882 |
2087 |
2889 |
2 |
㎛ |
922 |
1997 |
2784 |
3 |
㎛ |
1077 |
2038 |
2914 |
4 |
㎛ |
902 |
1523 |
2545 |
5 |
㎛ |
658 |
1747 |
2700 |
Additional information
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