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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
07 Jun 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study.
Qualifier:
according to guideline
Guideline:
other: ISO 13320-1
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: sieve testing - ISO Standard 3310-1
Deviations:
no
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Key result
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Key result
Percentile:
D10
Mean:
397 µm
Remarks on result:
other: Laser diffraction data
Key result
Percentile:
D50
Mean:
695 µm
Remarks on result:
other: Laser diffraction data
Percentile:
D90
Mean:
1 150 µm
Remarks on result:
other: Laser diffraction data
No.:
#1
Size:
>= 1 500 - <= 2 000 µm
Distribution:
13.39 %
Remarks on result:
other: Average value of 9 samples
No.:
#2
Size:
>= 1 000 - <= 1 500 µm
Distribution:
30.78 %
Remarks on result:
other: Average value of 9 samples
No.:
#3
Size:
>= 500 - <= 1 000 µm
Distribution:
43.89 %
Remarks on result:
other: Average value of 9 samples
No.:
#4
Size:
>= 250 - <= 500 µm
Distribution:
11.22 %
Remarks on result:
other: Average value of 9 samples
No.:
#5
Size:
>= 125 - <= 250 µm
Distribution:
0.72 %
Remarks on result:
other: Average value of 9 samples
No.:
#6
Size:
<= 125 µm
Distribution:
0 %
Remarks on result:
other: Average value of 9 samples
Conclusions:
Based on the obtained sieving and laser diffraction data the test substance is not a nano-material.
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: measured data from company
Principles of method if other than guideline:
Laser diffraction, dry
GLP compliance:
no
Type of distribution:
other: laser diffraction method
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:
< 2.9 µm
Distribution:
0.13 %
No.:
#2
Size:
< 4.3 µm
Distribution:
1.07 %
No.:
#3
Size:
< 9.48 µm
Distribution:
6.56 %
No.:
#4
Size:
< 17.15 µm
Distribution:
17.17 %
No.:
#5
Size:
< 31.01 µm
Distribution:
33.37 %
No.:
#6
Size:
< 56.09 µm
Distribution:
53.79 %
No.:
#7
Size:
< 101.44 µm
Distribution:
73.98 %
No.:
#8
Size:
< 183.44 µm
Distribution:
89.15 %
No.:
#9
Size:
< 272.31 µm
Distribution:
95.96 %
No.:
#10
Size:
< 492.47 µm
Distribution:
100 %
Endpoint:
particle size distribution (granulometry)
Type of information:
other: peer-reviewed data base
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer-reviewed data base
Principles of method if other than guideline:
peer-reviewed data base
GLP compliance:
no
Type of distribution:
other: peer-reviewed data base
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
other: 96-98%
Mean:
200 - 1 250 µm

In granular products 96 -98 % of the particles are between 200 μm and 1250 μm.

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: measured data from company
Principles of method if other than guideline:
Laser diffraction
GLP compliance:
no
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.
Percentile:
D10
Mean:
11.141 µm
Percentile:
D50
Mean:
83.252 µm
Percentile:
D90
Mean:
212.759 µm
No.:
#1
Size:
< 0.724 µm
Distribution:
0 %
No.:
#2
Size:
< 11.482 µm
Distribution:
10.27 %
Remarks on result:
other: approx. D10
No.:
#3
Size:
< 91.201 µm
Distribution:
53.88 %
Remarks on result:
other: approx. D50
No.:
#4
Size:
< 208.93 µm
Distribution:
89.43 %
Remarks on result:
other: approx. D90
No.:
#5
Size:
< 416.869 µm
Distribution:
100 %
Conclusions:
Based on the obtained laser diffraction data the test substance is not a nano-material.

Description of key information

Powder: D10: 397 µm, D50: 695 µm, D90: 1150 µm, 
Granule: 200 -1250 µm

Additional information

The investigated test substance does not classify for the definition of nano-material. The value of D50 is 695 µm, far away from the 0 - 100 nm range.