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:
2009
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report Date:
2009

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Company SOP: Pulverrinne_3bar_gs; air
Apparatus: Malvern Mastersizer 2000; unit Scirocco 2000
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Purity: 98.01 %

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
6.2 µm
Remarks on result:
other: broad distribution; agglomerates at 300 µm(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Percentile:
D10
Mean:
1.1 µm
St. dev.:
0.05
Percentile:
D50
Mean:
6.2 µm
St. dev.:
0.8
Percentile:
D90
Mean:
279.1 µm
St. dev.:
79.1

Applicant's summary and conclusion

Conclusions:
The mass median diameter D50 of the test item is 6.2 µm determined with the Malvern Mastersizer 2000; unit Scirocco 2000