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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:
2012-02-07
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
other: Laser Diffraction Method

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium selenate
EC Number:
236-501-8
EC Name:
Sodium selenate
Cas Number:
13410-01-0
Molecular formula:
Na2SeO4
IUPAC Name:
disodium selenate
Details on test material:
- Name of test material (as cited in study report): Sodium selenate
- Physical state: white solid

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
1.42 µm
Remarks on result:
other: The particle size L10 (D (v, 0.1): 10 % of particle volume or particle mass with lower particle diameter)
Percentile:
D50
Mean:
11 µm
Remarks on result:
other: The median particle size L50 (D (v, 0.5): 50 % of particle volume or particle mass with lower particle diameter)
Percentile:
D90
Mean:
42.37 µm
Remarks on result:
other: The particle size L90 (D (v, 0.9): 90 % of particle volume or particle mass with lower particle diameter)

Applicant's summary and conclusion

Conclusions:
The particle size distribution of sodium selenate was determined by laser diffraction (light scattering). The test item consists of a powder which tends to agglomerate.
The particle size L10 of the test item deduced from the particle size distributions is 11.00 µm.
The particle size L50 of the test item deduced from the particle size distributions is 1.42 µm.
The particle size L90 of the test item deduced from the particle size distributions is 42.37 µm.
Executive summary:

In a study conducted according to OECD guideline 110 the particle size distribution of the test item was determined by laser diffraction (light scattering). The test item consists of a powder which tends to agglomerate.

The particle size L10 of the test item deduced from the particle size distributions is 11.00 µm.

The particle size L50 of the test item deduced from the particle size distributions is 1.42 µm.

The particle size L90 of the test item deduced from the particle size distributions is 42.37 µm.