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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:
2020-02-19
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
equivalent or similar to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Deviations:
not specified
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Specific details on test material used for the study:
LOT 004701-17
Mass median aerodynamic diameter:
2.66 µm
Key result
Percentile:
D10
Mean:
0.72 µm
Remarks on result:
other: St. dev. not determined
Key result
Percentile:
D50
Mean:
1.98 µm
Remarks on result:
other: St. dev. not determined
Key result
Percentile:
D95
Mean:
6.99 µm
Remarks on result:
other: St. dev. not determined
Conclusions:
Particle size distribution of 1,1-Dimethylurea was determined with laser diffraction according to ISO 13320-1. The 50 percentil is 1.98 µm. The 10 percentil is 0.72 µM.
Executive summary:

Particle size distribution of 1,1-Dimethylurea was determined with laser diffraction according to ISO  13320-1. The 50 percentil is 1.98 µm. The 10 percentil is 0.72 µM.

Description of key information

Particle size distribution of 1,1-Dimethylurea was determined with laser diffraction according to ISO  13320-1. The 50 percentil is 1.98 µm. The 10 percentil is 0.72 µM.

Additional information