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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:
December 12, 2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study has been performed in accordance with CIPAC guidelines for Sieve Analysis and according to GLP principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report Date:
2008

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: CIPAC, Physico-chemical Methods for Technical and Formulated Pesticides, MT 59: "Sieve Analysis"; CIPAC Handbook Volume F, 1995.
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of distribution:
other: weighed

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Physical state: Blue solid lumps
- Stability under test conditions: Stable
- Storage condition of test material: at room temperature in the dark

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
other: No determination possible
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Mean:
other: No determination possible
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 125 µm
Distribution:
4 %
No.:
#2
Size:
125 - 180 µm
Distribution:
1.9 %
No.:
#3
Size:
180 - 250 µm
Distribution:
2.3 %
No.:
#4
Size:
250 - 500 µm
Distribution:
6.1 %
No.:
#5
Size:
500 - 2 000 µm
Distribution:
31 %
No.:
#6
Size:
> 2 000 µm
Distribution:
54.7 %

Any other information on results incl. tables

With the dry sieving method, the mass median diameter and the D10, D50 and D90 cannot be determined because it is not a continuous determination as is the laser diffraction method.

Applicant's summary and conclusion

Conclusions:
All particles were > 125 µm.