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EC number: 238-953-1 | CAS number: 14882-18-9
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:
- 21 February 2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data are sufficient and scientifically acceptable.
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Method used was laser diffraction. The technique of laser diffraction is based on the principle that particles passing through a laser beam will scatter light at an angle that is directly related to their size: large particles scatter at low angles, whereas small particles scatter at high angles. The method is standardized [ISO 13320-1: 1999 Particle size analysis - Laser diffraction methods - Part 1: General principles].
- GLP compliance:
- not specified
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Percentile:
- D50
- Mean:
- >= 0.5 - <= 4 µm
- Remarks on result:
- other: volume median diameter(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
- Conclusions:
- The median particle size (x50) is determined by customers' requirements and is < 10 microns with a typical range from 0.5 to 4 microns.
- Executive summary:
The particle size distribution was analysed using laser diffraction. The method is standardized [ISO 13320-1: 1999 Particle size analysis - Laser diffraction methods - Part 1: General principles].
The median particle size (x50) is determined by customers' requirements and is < 10 microns with a typical range from 0.5 to 4 microns.
Reference
See document attached under background material.
Description of key information
The median particle size (x50) is determined by customers' requirements and is < 10 microns with a typical range from 0.5 to 4 microns.
Additional information
The particle size distribution was analysed using laser diffraction. The method is standardized [ISO 13320-1: 1999 Particle size analysis - Laser diffraction methods - Part 1: General principles].
The median particle size (x50) is determined by customers' requirements and is < 10 microns with a typical range from 0.5 to 4 microns.
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