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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Administrative data

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Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Guideline:
other: measured
Principles of method if other than guideline:
measured with Sympatec-Helos Rodos
GLP compliance:
no
Type of distribution:
volumetric distribution
No.:
#1
Size:
< 0.9 µm
Distribution:
ca. 0.5 %
No.:
#2
Size:
< 5 µm
Distribution:
ca. 4.4 %
No.:
#3
Size:
< 10 µm
Distribution:
ca. 7 %
No.:
#4
Size:
< 100 µm
Distribution:
ca. 35 %
No.:
#5
Size:
< 710 µm
Distribution:
100 %
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Principles of method if other than guideline:
Laser diffraction method ISO 13320
GLP compliance:
no
Type of distribution:
volumetric distribution
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Batch No.: 72434388QO
- Manufacturing date: 17 May 2008
No.:
#1
Size:
< 2 µm
Distribution:
0 %
No.:
#2
Size:
< 4 µm
Distribution:
ca. 0.4 %
No.:
#3
Size:
< 10 µm
Distribution:
ca. 2.5 %
No.:
#4
Size:
< 100 µm
Distribution:
ca. 40 %
No.:
#5
Size:
< 692 µm
Distribution:
100 %

Description of key information

<100 micron: 40 %
<10 micron: 2.5 %
<4 micron: 0.4 %

Additional information

particles <100 µm approximate 40 %