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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
Study period:
May 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study by a laboratory having GLP certificate

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: CIPAC Method MT 187 (CIPAC Handbook - 2003)
Deviations:
no
Principles of method if other than guideline:
PARTICLE SIZE ANALYSIS BY LASER DIFFRACTION.
The analyser provided a graph and the percentage of particles by range of sizes. The median and the mean values were calculated by the analyser. The wet dispersion method was used.
GLP compliance:
no
Remarks:
The methods are accurately and completely discribed.
Type of distribution:
other:

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
441.183 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
43.856 µm
Percentile:
D90
Mean:
966.23 µm
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
>= 0.05 - <= 2.56 µm
Distribution:
0.96 %
No.:
#2
Size:
>= 2.56 - <= 5.458 µm
Distribution:
1.26 %
No.:
#3
Size:
>= 5.458 - <= 11.634 µm
Distribution:
1.47 %
No.:
#4
Size:
>= 11.634 - <= 24.801 µm
Distribution:
2.5 %
No.:
#5
Size:
>= 24.801 - <= 52.867 µm
Distribution:
5.75 %
No.:
#6
Size:
>= 52.867 - <= 112.694 µm
Distribution:
9.58 %
No.:
#7
Size:
>= 112.694 - <= 240.225 µm
Distribution:
11.18 %
No.:
#8
Size:
>= 240.225 - <= 512.079 µm
Distribution:
23.71 %
No.:
#9
Size:
>= 512.079 - <= 1 091.579 µm
Distribution:
34.89 %
No.:
#10
Size:
>= 1 091.579 - <= 2 000 µm
Distribution:
8.7 %

Applicant's summary and conclusion

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