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Diss Factsheets

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:
19 November 2001-16 December 2001
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

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

Materials and methods

Test guideline
Guideline:
other: no guideline followed
Principles of method if other than guideline:
The analysis is conducted initially using a visual microscope and then undertaken more formally using a Laser Diffraction Particle Size Analyser.
GLP compliance:
yes
Type of distribution:
volumetric distribution

Test material

Constituent 1
Reference substance name:
00945
IUPAC Name:
00945
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Particle size
Percentile:
D50
Mean:
11.23 µm
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

The results for particle size analysis are as follows: 34.18um at a concentration of <90%, 21.48um at a concentration <75%, 12.27um at a concentation <50%, 6.738um at a concentration <25% and finally 3.556um at a concentration of <10%.

Applicant's summary and conclusion

Conclusions:
The analysis was successfully conducted to characterise the particle size of the powder.