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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:
2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report Date:
2018

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Deviations:
no
GLP compliance:
not specified
Type of method:
Laser scattering/diffraction
Type of particle tested:
other: powder
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid

Results and discussion

Mass median aerodynamic diameter:
31.5 µm
Particle sizeopen allclose all
Percentile:
D10
Mean:
15.6 µm
St. dev.:
0.117
Percentile:
D50
Mean:
31.5 µm
St. dev.:
0.144
Percentile:
D90
Mean:
56.9 µm
St. dev.:
1.84
Percentile:
other: D[4;3] = volume mean - mean of all particles
Mean:
36.9 µm
St. dev.:
5.32
Percentile:
other: Span
Mean:
1.313 other: /
St. dev.:
0.056

Any other information on results incl. tables

Span = 1.311

Applicant's summary and conclusion

Conclusions:
Conclusion:
PSD of CH02586;HX/1 with Malvern Mastersizer 3000 dry
The result is the average of 3 independent measurements.
Dv [50] = volume median - 50% of the particles is 31.5.µm
Dv [90] = 90% of the particles is < 56.9 µm