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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
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution

Test material

Constituent 1
Reference substance name:
Lecithins, hydrogenated
EC Number:
295-786-7
EC Name:
Lecithins, hydrogenated
Cas Number:
92128-87-5
Molecular formula:
not applicable - UVCB substance
IUPAC Name:
Lecithins, hydrogenated
Specific details on test material used for the study:
Batch No 7598
Purity (% w/v) 100% (UVCB substance)
Storage conditions:
temperature : Room temperature
brightness : darkness

Results and discussion

Particle sizeopen allclose all
Key result
Percentile:
D10
Mean:
ca. 3.58 µm
St. dev.:
0.08
Key result
Percentile:
D50
Mean:
ca. 9.72 µm
St. dev.:
0.4
Key result
Percentile:
D90
Mean:
ca. 21.1 µm
St. dev.:
1.21

Applicant's summary and conclusion

Executive summary:

The granulometry was performed according to the OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius).

The particles size distribution of test substance is:

D10 = 3.58 μm ± 0.08 μm

D50 = 9.72 μm ± 0.40 μm and

D90 = 21.10 μm ± 1.21 μm.