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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
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Measurements were carried out on a Malvern Mastersizer 2000 with Hydro 2000G sample dispenser. Data was analaysed and prsented by means of Mastersizer 2000 software version 5.60
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
-
EC Number:
416-390-4
EC Name:
-
IUPAC Name:
Blend of Magneli suboxides of titanium
Details on test material:
Ebonex® Powder, Batch Composite 01, Composition: 2% Ti3O5, 49% Ti4O7, 36% Ti5O9, 5% Ti6O11, 7% Ti7O13, 1% Ti8O15. The Ebonex Powder used in this experiment differed from the Substance listed in Section 1 in that it contained less Ti4O7 and Ti6O11 and more Ti5O9. It also contained small proportions of Ti3O5, Ti7O13 and Ti8O15. However, the Ebonex Powder used for this study was still a blend of Magneli suboxides of titanium, primarily based upon the same three titanium oxides, Ti4O7, Ti5O9 and Ti6O11 as in the current Ebonex Powder listed in Section 1. As such the results from the Ebonex Powder used in this experiment are considered to be applicable for the current Ebonex Powder as listed in Section 1.

Results and discussion

Particle size
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 10 µm
Distribution:
ca. 0.6 %
No.:
#2
Size:
< 104.713 µm
Distribution:
ca. 11.19 %
No.:
#3
Size:
< 208.93 µm
Distribution:
ca. 28.73 %
No.:
#4
Size:
< 363.078 µm
Distribution:
ca. 56.23 %
No.:
#5
Size:
< 630.957 µm
Distribution:
ca. 86.75 %
No.:
#6
Size:
< 1 258.925 µm
Distribution:
< 100 %

Applicant's summary and conclusion