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EC number: 278-674-2 | CAS number: 77365-64-1
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:
- From October 29 to November 06, 2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Internal Method: SOP-STR 071Light scattering is a technique in physics used to determine the size distribution profile of small particles in suspension.
- GLP compliance:
- no
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Percentile:
- D10
- Mean:
- ca. 36.855 µm
- Remarks on result:
- other: after 1 minute of ultrasonic bath
- Percentile:
- D50
- Mean:
- ca. 80.128 µm
- Remarks on result:
- other: after 1 minute of ultrasonic bath
- Percentile:
- D10
- Mean:
- ca. 34.376 µm
- Remarks on result:
- other: after 2 minutes of ultrasonic bath
- Percentile:
- D50
- Mean:
- ca. 75.72 µm
- Remarks on result:
- other: after 2 minutes of ultrasonic bath
- Conclusions:
- D50 = 75.720 µm
- Executive summary:
Method
Granulometry of the sample was performed with SOP-STR 071 method before the ultrasonic treatement and after 1 and 2 minutes of ultrasonics.
Results
Particle size after 1 minute of ultrasonic treatment: D50 = 80.128 µm
Particle size after 2 minutes of ultrasonic treatment: D50 = 75.720 µm
Reference
After 1 minute of ultrasonic treatment:
Specific Weighted mean D (3,2): 59.390 µm
Vol. Weighed mean D (4,3): 86.412 µm
After 2 minutes of ultrasonic treatment:
Specific Weighted mean D (3,2): 55.503 µm
Vol. Weighed mean D (4,3): 81.677 µm
Description of key information
D50 mean 80.128 µm (1 minute of ultrasonic)
D50 mean 75.720 µm (2 minutes of ultrasonic)
Additional information
Granulometry of the sample was performed with SOP-STR 071 method before the ultrasonic treatement and after 1 and 2 minutes of ultrasonics.
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