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EC number: 205-087-0 | CAS number: 133-06-2
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:
- 13 May 2014 to 29 August 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 187
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Specific details on test material used for the study:
- - Physical state: white powder
- Analytical purity: 94.3% (w/w)
- Batch number: 93138112
- Expiry date: 16 February.2015
- Date of certificate: 20 Februara 2014
- Storage conditions: ambient (+5 to +30°C), dark, dry - Mass median aerodynamic diameter:
- ca. 12.6 µm
- Remarks on result:
- other: Standard deviation
- Remarks:
- Geometric standard deviation was not measured in the test
- Key result
- Percentile:
- D10
- Mean:
- 1.8 µm
- Remarks on result:
- other: Geometric standard deviation
- Remarks:
- Geometric standard deviation was not measured in the test.
- Key result
- Percentile:
- D50
- Mean:
- 12.6 µm
- Remarks on result:
- other: Geometric standard deviation
- Remarks:
- Geometric standard deviation was not measured in the test.
- Key result
- Percentile:
- D90
- Mean:
- 34 µm
- Remarks on result:
- other: Geometric standard deviation
- Remarks:
- Geometric standard deviation was not measured in the test.
- No.:
- #1
- Size:
- >= 1.775 - <= 1.802 µm
- Distribution:
- 10 %
- No.:
- #2
- Size:
- >= 12.517 - <= 12.695 µm
- Distribution:
- 50 %
- No.:
- #3
- Size:
- >= 33.825 - <= 34.143 µm
- Distribution:
- 90 %
- Conclusions:
- L10D(v,0.1):1.8 µmL50D(v,0.5):12.6 µmL90D(v,0.9):34.0 µm
- Executive summary:
The particle size distribution of Captan was determined according to CIPAC MT 187.
The optical observation of the test item is depicted in the following table.
Determined particle size range:
L10D(v,0.1)
1.8 µm
L50D(v,0.5)
12.6 µm
L90D(v,0.9)
34.0 µm
Reference
Description of key information
Particle size distribution (optical observation), determined particle size range: L10D(v,0.1): 1.8 µm; L50D(v,0.5): 12.6 µm; L90D(v,0.9): 34.0 µm, Guideline CIPAC MT 187
Additional information
Medium particle size was determined to be 12.6 µm according to CIPAC MT 187 method. Particle size has to be considered for choosing the right PPE (personal protection equipment) for inhalation exposure.
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