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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Remarks:
Well documented determiantion of the particle size distribution following in general ISO 13320 and USP <429>.
Qualifier:
equivalent or similar to guideline
Guideline:
other: ISO 13320
Qualifier:
equivalent or similar to guideline
Guideline:
other: USP <429>
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Percentile:
D50
Mean:
34.5 µm
St. dev.:
0.8
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Remarks:
The standard devaiation was calculated from the three determinations of the mean particle size. (for details see results)
Percentile:
D10
Mean:
6.71 µm
St. dev.:
0.34
Remarks on result:
other:
Remarks:
The standard devaiation was calculated from the three determinations of the mean particle size. (for details see results)
Percentile:
D90
Mean:
65.4 µm
St. dev.:
0.8
Remarks on result:
other:
Remarks:
The standard devaiation was calculated from the three determinations of the mean particle size. (for details see results)
No.:
#1
Size:
6.597 µm
Distribution:
10 %
No.:
#1
Size:
34.09 µm
Distribution:
50 %
No.:
#1
Size:
66.31 µm
Distribution:
90 %
No.:
#2
Size:
6.448 µm
Distribution:
10 %
No.:
#2
Size:
33.88 µm
Distribution:
50 %
No.:
#2
Size:
64.92 µm
Distribution:
90 %
No.:
#3
Size:
7.097 µm
Distribution:
10 %
No.:
#3
Size:
35.43 µm
Distribution:
50 %
No.:
#3
Size:
64.86 µm
Distribution:
90 %

The volume distribution (average ) is 6.71 µm (d10), 34.5 µm (d50), and 65.4 µm (d90).

Measurement D10 [µm] D50 [µm] D90 [µm]
#1 6.597 34.09 66.31
#2 6.448 33.88 64.92
#3 7.097 35.43 64.86
mean 6.71 34.5 65.4
St. Dev. 0.34 0.8 0.8
Conclusions:
The volume distribution (average ) is 6.71 µm (d10), 34.5 µm (d50), and 65.4 µm (d90).
Executive summary:

The particle size distribution of tin disulfide was measured by laser diffraction in an air stream. The volume distribution (average ) is 6.71 µm (d10), 34.5 µm (d50), and 65.4 µm (d90).

The result is is considered relevant for the risk assessment.

Description of key information

The volume distribution (average) is 6.71 µm (d10), 34.5 µm (d50), and 65.4 µm (d90).

Additional information

The particle size distribution of FeS was measured by laser diffraction in an air stream. The volume distribution (average) is 6.71 µm (d10), 34.5 µm (d50), and 65.4 µm (d90).

The result is is considered relevant for the risk assessment.