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EC number: 940-742-0 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- May 2014
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Particle size was measured with a Bluewave particle size analyzer from Microtrac (laser diffraction method). Sample was injected into the analyzer with a Turbotrac dry powder dispersion device.
- GLP compliance:
- no
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Humic acids and fulvic acids extracted from leonardite, reaction product with formaldehyde, potassium hydrogen sulfite, sodium hydrogen sulfite and potassium hydroxide
- Molecular formula:
- NA, macromolecular compound
- IUPAC Name:
- Humic acids and fulvic acids extracted from leonardite, reaction product with formaldehyde, potassium hydrogen sulfite, sodium hydrogen sulfite and potassium hydroxide
Constituent 1
Results and discussion
Particle size
- Percentile:
- D50
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- > 1 408 µm
- Distribution:
- 5.1 %
- No.:
- #2
- Size:
- > 704 - < 1 408 µm
- Distribution:
- 7.4 %
- No.:
- #3
- Size:
- > 352 - < 704 µm
- Distribution:
- 1.9 %
- No.:
- #4
- Size:
- > 176 - < 352 µm
- Distribution:
- 5.3 %
- No.:
- #5
- Size:
- > 88 - < 176 µm
- Distribution:
- 29.2 %
- No.:
- #6
- Size:
- > 44 - < 88 µm
- Distribution:
- 35.2 %
- No.:
- #7
- Size:
- > 22 - < 44 µm
- Distribution:
- 11.9 %
- No.:
- #8
- Size:
- > 13 - < 22 µm
- Distribution:
- 3.1 %
- No.:
- #9
- Size:
- > 11 - < 13 µm
- Distribution:
- 0.9 %
- No.:
- #10
- Size:
- < 9.25 µm
- Distribution:
- 0 %
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