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Physical & Chemical properties

Particle size distribution (Granulometry)

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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:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: part 5.2 Laser scattering/diffraction method
Version / remarks:
ECB/TM/February 1996
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction

Test material

Constituent 1
Reference substance name:
Acid Navy RN-2682
IUPAC Name:
Acid Navy RN-2682
Test material form:
solid

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
< 11.4 µm
Remarks on result:
other: ultrasonication for 5 min.
Percentile:
D10
Mean:
< 3.7 µm
Remarks on result:
other: ultrasonication for 5 min.
Percentile:
D90
Mean:
< 31.3 µm
Remarks on result:
other: ultrasonication for 5 min.

Any other information on results incl. tables

The particle size distribution was found to range from ca. 0.5 to 70 µm.

Particle size distribution:
< 2.7 µm:  5 %

Applicant's summary and conclusion

Conclusions:
MMD is 11.4 µm.

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