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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:
2010-08-24
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Version / remarks:
Method B
Type of method:
other: Scanning electron microscopy
Type of distribution:
volumetric distribution
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
No.:
#1
Size:
2 - 3 µm
Distribution:
0.09 %
No.:
#2
Size:
3 - 5 µm
Distribution:
12.4 %
No.:
#3
Size:
5 - 100 µm
Distribution:
87.42 %
No.:
#4
Size:
> 100 µm
Distribution:
0.09 %

Sieve fraction:

Weighed sample: 1.0452 g

Weight fraction < 100 µm: 0.4689 g

Mass fraction < 100 µm: 44.86%

All particles with a mean diameter less than 100 µm have a mass fraction of 45%, 0.02% of this mass fraction has a mean diameter less than 4 µm, see Table below.

Particle Size

Spherical Volume

Cubical Volume

< 4 μm

0.017 %

0.02 %

4-10 μm

1.59 %

1.46%

10-100 μm

88.64 %

87.87 %

> 100 μm

9.75 %

10.64%

Median (diameter)

52 μm

54 μm

 

Description of key information

99.9% =< 100 µm

Additional information