Registration Dossier

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Not specified
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report Date:
2018

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
other: GEMO PPH-300-00 : laser granulometry laser
Qualifier:
equivalent or similar to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
Reverse Fourier Optic
Principles of method if other than guideline:
Guideline method adapted to substance hazard to avoid laboratory technicians exposure.
GLP compliance:
not specified
Type of method:
Laser scattering/diffraction
Type of particle tested:
other: without anticaking agent
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
impurity
Test material form:
solid
Specific details on test material used for the study:
Item : "Poudre de CS – sans anti-mottant" from ALSETEX
Batch not specified
Storage not specified

Results and discussion

Mass median aerodynamic diameter:
ca. 302.2 µm
Geometric standard deviation:
256
Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
ca. 111.5 µm
St. dev.:
256
Key result
Percentile:
D50
Mean:
ca. 302.2 µm
St. dev.:
256
Key result
Percentile:
D90
Mean:
ca. 682.3 µm
St. dev.:
256
Particle size distribution at different passages
Remarks on result:
not measured/tested

Applicant's summary and conclusion

Conclusions:
The mass median aeodynamic diameter of the substance item is 302.2 µm
Executive summary:

In a study according to GEMO PPH-300-00 methodology (laser granulometry laser), the mass median aeodynamic diameter of the substance item is 302.2 µm