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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ISO 13320-1
Principles of method if other than guideline:
Evaluation according to Fraunhofer.
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Ammonium carbamate
EC Number:
214-185-2
EC Name:
Ammonium carbamate
Cas Number:
1111-78-0
Molecular formula:
CH3NO2.H3N
IUPAC Name:
ammonium carbamate

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
475 µm
Remarks on result:
other: no data on St. dev.
Percentile:
D50
Mean:
944 µm
Remarks on result:
other: no data on St. dev.
Percentile:
D90
Mean:
1 550 µm
Remarks on result:
other: no data on St. dev.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 100 µm
Distribution:
0.4 %
No.:
#2
Size:
< 10 µm
Distribution:
0 %
No.:
#3
Size:
< 4 µm
Distribution:
0 %

Applicant's summary and conclusion