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Physical & Chemical properties

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:
from 19th of december 2017 to 16th of january 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
not specified
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: R/17/15802C
Na2O2 tamise - lot 17286-10
description : Yellowish, granular
Date of sampling : 16/10/2017
Key result
Percentile:
D10
Mean:
904 µm
St. dev.:
227
Key result
Percentile:
D50
Mean:
1 195 µm
St. dev.:
227
Key result
Percentile:
D90
Mean:
1 523 µm
St. dev.:
227
Conclusions:
The particle size distribution of the substance sample has been determined according to ISO 13320:2009 “Particle size analysis - Laser diffraction methods” and ISO 17025 quality assurance accreditation.
The particle size of the sample as is in the range between 700 and 1700 μm.
The mean value of the distribution is 1207 μm
The 10%-Fraction is: d10 = 904 μm
The median value is: d50 = 1195 μm
The 90%-Fraction is: d90 = 1523 μm

Description of key information

The particle size distribution of the substance sample has been determined according to ISO 13320:2009 “Particle size analysis - Laser diffraction methods” and ISO 17025 quality assurance accreditation.

The mean value of the distribution is 1207 μm

The 10%-Fraction is: d10 = 904 μm

The median value is: d50 = 1195 μm

The 90%-Fraction is: d90 = 1523 μm

Additional information