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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
Study period:
2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
2009
Deviations:
no
Qualifier:
according to
Guideline:
other: CIPAC MT 187
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Remarks:
white powder

Results and discussion

Mass median aerodynamic diameter:
165.253 µm
Geometric standard deviation:
0.066
Particle sizeopen allclose all
Percentile:
D10
Mean:
11.986 µm
St. dev.:
0.18
Percentile:
D50
Mean:
75.349 µm
St. dev.:
0.398
Percentile:
D90
Mean:
131.16 µm
St. dev.:
0.245

Applicant's summary and conclusion

Conclusions:
Using laser diffraction to determine the particle size of Barium bromide, the mass median aerodynamic diameter was 165.253 µm. The analysis was conducted using the small volume (wet) module (SVM) with kerosene as the dispersant.