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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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report Date:
2019

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
no
Other quality assurance:
other: ISO9001
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Details on test material:
See individual study reports for purity information and CofA where applicable
Specific details on test material used for the study:
Basic Orange 31
CI306081 1075126

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
12.3 µm
St. dev.:
0
Remarks on result:
other: St. Dev not measured
Percentile:
D50
Mean:
35.8 µm
St. dev.:
0
Remarks on result:
other: St. Dev not measured
Percentile:
D90
Mean:
673 µm
St. dev.:
0
Remarks on result:
other: St. Dev not measured

Applicant's summary and conclusion

Conclusions:
Particle size measurement was carried out on a Mastersizer 3000.
Specific Surface Area 91.39m2/kg

Particle Size
DV10 = 12.3 μm
DV50 = 35.8 μm
DV90 = 673 μm
Executive summary:

Particle size measurement was carried out on a Mastersizer 3000.

Specific Surface Area 91.39m2/kg

Particle Size

DV10 = 12.3 μm

DV50 = 35.8 μm

DV90 = 673 μm