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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:
2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: reliable method (laser light scattering)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report Date:
2010

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Laser diffraction particle size measurement
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
ca. 22 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D50
Mean:
22.04 µm
St. dev.:
2.9
Percentile:
D10
Mean:
4.96 µm
St. dev.:
0.2
Percentile:
D90
Mean:
76.3 µm
St. dev.:
15.7

Any other information on results incl. tables

- concentration: 0.001 %Vol - specific surface area: 0.762 m2/g

Applicant's summary and conclusion

Conclusions:
The determined median diameter (D50) amounts to 22.04 µm.
Executive summary:

Particle Size Distribution was measured by Laser Diffraction using a Malvern Mastersizer 2000, unit: Scirocco 2000 apparatus.