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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: BS ISO 13320-1:1999
Principles of method if other than guideline:
Laser Diffraction Particle Size Analyzer / small volume dispersion in silicone oil
GLP compliance:
not specified
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: flakes
Details on test material:
Batch no. 0902000694
Purity 100%

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
472 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
66 µm
St. dev.:
0.97
Percentile:
D50
Mean:
267 µm
St. dev.:
6.3
Percentile:
D90
Mean:
1 426 µm
St. dev.:
4.6
Percentile:
other: 1.87
Mean:
10 µm

Any other information on results incl. tables

Average (µm)

Volume weighted mean 578.7

Median (d.50) 267.0

Mode 1206

MMAD (Mass Median Aerodynamic Diameter) 308.0

10 % of material is 66.4

50 % of material is 267.0

90 % of material is 1426

Applicant's summary and conclusion

Conclusions:
1.87 % by volume of sample was seen to be < 10.00 µm.