Registration Dossier

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:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
Laser scattering/diffraction

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Details on test material:
orange-red

Results and discussion

Mass median aerodynamic diameter:
32.15 µm
Particle size
Key result
Percentile:
D90
Mean:
50.839 µm
St. dev.:
0.144

Applicant's summary and conclusion

Executive summary:

The results of the laser diffraction test conducted to determine the particle size of the sample are summarised in Table 5:1. The analysis was conducted using the small volume (wet) module (SVM).

Summary of results

Particle Size Analysis using small volume module (SVM) Average (μm)

Volume weighted mean 30.536

Median 27.994

Mode 31.431

MMAD (mass median aerodynamic diameter) 32.150

d10 - 10 % of material is < 11.461

d50 - 50 % of material is < 27.994

d90 - 90 % of material is < 53.839

volume of sample < 10.00 μm 7.70 %