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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:
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
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction

Test material

Constituent 1
Chemical structure
Reference substance name:
Haematoxylin
EC Number:
208-237-3
EC Name:
Haematoxylin
Cas Number:
517-28-2
Molecular formula:
C16H14O6
IUPAC Name:
haematoxylin

Results and discussion

Mass median aerodynamic diameter:
ca. 29.9 µm
Geometric standard deviation:
<=
Particle size
Key result
Percentile:
D10
Mean:
ca. 47.45 µm
St. dev.:
57.592
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 0 - < 2 µm
Distribution:
>= 0 - <= 0 %
No.:
#2
Size:
> 2 - < 200 µm
Distribution:
97.53 %
No.:
#3
Size:
>= 200 µm
Distribution:
>= 2.47 - <= 2.47 %

Applicant's summary and conclusion

Conclusions:
The particle size distribution of the test item HEMATOXYLIN HPL has been determined and the following results were obtained:
- 0 % of particles own a diameter under 2 μm.
- 97.53 % of particles own a diameter between 2 μm and 200 μm.
- 2.47 % of particles own a diameter over 200 μm.
Executive summary:

The particle size distribution of the test item HEMATOXYLIN HPL has been determined and the following results were obtained:

- 0 % of particles own a diameter under 2 μm.

- 97.53 % of particles own a diameter between 2 μm and 200 μm.

- 2.47 % of particles own a diameter over 200 μm.