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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1993
Report Date:
1993

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Microtrac full range particle analyzer (light scattering)
GLP compliance:
no
Type of method:
other: Light scattering
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Particle size
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.

Any other information on results incl. tables

Particle Size Distribution:
Specific surface area: CS=0.36 m2/cc
Mean Dia.=25.81 microns


Cumulative "Smaller than" Percentiles:
%90: 49.13 microns
%50: 21.23 microns
%10: 8.46 microns
-------------------------------------------------------------
Mass Median Diameter:
Mean particle diameter: 26 microns

Applicant's summary and conclusion

Executive summary:

The test was carried out on 1 sample using the Microtrac full range analyser.

Measured against a standard (phosphite).

Particle size distribution (mean): 25.81 microns.