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:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2002
Report Date:
2002

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Chilworth Technology Limited Standard Operating Procedure No. 417A
GLP compliance:
yes (incl. certificate)
Type of method:
Laser scattering/diffraction
Type of distribution:
other: initially visual microscope, and then undertaken more formally using a Laser Diffraction Particle Size Analyzer

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
µm
Remarks on result:
other: volume %: 100; mean diameter: 32.82µm; median diameter: 36.22 µm; mode: 38.90µm(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Percentile:
D10
Mean:
14.98 µm
St. dev.:
1.85
Remarks on result:
other: 95% confidence limits: 9.86 - 109 µm
Percentile:
other: D25
Mean:
23.93 µm
St. dev.:
1.85
Remarks on result:
other: 95% confidence limits: 9.86 - 109 µm
Percentile:
D50
Mean:
36.22 µm
St. dev.:
1.85
Remarks on result:
other: 95% confidence limits: 9.86 - 109 µm
Percentile:
other: D75
Mean:
51.24 µm
St. dev.:
1.85
Remarks on result:
other: 95% confidence limits: 9.86 - 109 µm
Percentile:
D90
Mean:
65.29 µm
St. dev.:
1.85
Remarks on result:
other: 95% confidence limits: 9.86 - 109 µm

Applicant's summary and conclusion