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Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Oct 2017 - Mar 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Version / remarks:
1981
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
Version / remarks:
1996
Deviations:
no
Qualifier:
according to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
2009
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
Percentile:
D50
Mean:
7 µm
St. dev.:
0.05
Percentile:
D10
Mean:
1.7 µm
St. dev.:
0
Percentile:
D90
Mean:
15.3 µm
St. dev.:
0.05
Conclusions:
The test item has a mean particle size D50 = 7 µm, which was determined by laser diffraction measurement.
Executive summary:

The test item has a mean particle size D50 = 7 µm, which was determined by laser diffraction measurement according to OECD guideline 110 and ISO 13320 under GLP conditions.

Description of key information

The test item has a mean particle size D50 = 7 µm, which was determined by laser diffraction measurement according to OECD guideline 110 and ISO 13320 under GLP conditions.

Additional information