Registration Dossier
Registration Dossier
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EC number: 266-257-8 | CAS number: 66215-27-8
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:
- 2021/06/15 to 2021/07/21
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- This experimental study report is reliable as it has been conducted by a trusted laboratory, under GLP and CIPAC guidelines.
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Version / remarks:
- CIPAC method 187 (Fraunhofer diffraction method) using the dry-dispersion unit
- GLP compliance:
- yes
- Type of method:
- Laser scattering/diffraction
- Type of particle tested:
- primary particle
- Type of distribution:
- volumetric distribution
- Key result
- Percentile:
- D90
- Mean:
- 535 µm
- St. dev.:
- 4.05
- Key result
- Percentile:
- D50
- Mean:
- 339 µm
- St. dev.:
- 4.48
- Key result
- Percentile:
- D10
- Mean:
- 206 µm
- St. dev.:
- 5.79
- Conclusions:
- The particle size distribution of the test substance correspond to Dv(10): 206 µm; Dv(50): 339 µm; Dv(90): 535 µm.
- Executive summary:
The particle size distribution of cyromazine tech. has been determined using laser diffraction. This study was performed in accordance with the CIPAC method 187 (Fraunhofer diffraction method) using the dry-dispersion unit. The average results, correct to three significant figures, are given below:
- Dv(10): 206 μm
- Dv(50): 339 μm
- Dv(90): 535 μm
Reference
Description of key information
The average results correct to three significant figures are given below:
- Dv(10): 206 μm
- Dv(50): 339 μm
- Dv(90): 535 μm,
CIPAC method 187 (Fraunhofer diffraction method) using the dry-dispersion unit, Das R 2021.
Additional information
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