Registration Dossier
Registration Dossier
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EC number: 700-909-9 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 2010-08-27
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline study without detailed documentations
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
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:
- sieving
Test material
- Reference substance name:
- Potassium chloride
- EC Number:
- 231-211-8
- EC Name:
- Potassium chloride
- Cas Number:
- 7447-40-7
- Molecular formula:
- ClK
- IUPAC Name:
- potassium chloride
Constituent 1
Results and discussion
Particle size
- Percentile:
- D50
- Mean:
- 81.03 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Any other information on results incl. tables
Weighted sample: 3.2843 g
Weight fraction < 100 µm: 0.0244 g
Mass fraction < 100 µm: 0.74%
Particle size distribution, sieve fraction < 100 µm
| Counts | 1096 | 1096 |
| Mean diameter | Aspect ratio | |
| Minimum | 7.62 µm | 1.04 |
| Maximum | 217.25 µm | 3.93 |
| Arithmetic mean | 81.03 µm | 1.51 |
| Median | 82.84 µm | 1.42 |
| Standard deviation | 36.08 µm | 0.38 |
Mass fraction (calculated), sieve fraction > 100 µm
| Particle size | Spherical volume | Cubical volume |
| < 4 µm | 0% | 0% |
| 4 -10 µm | 0% | 0% |
| 10 -100 µm | 28.83% | 31.58% |
| > 100 µm | 71.17% | 68.42% |
| Median (diameter) | 116 µm | 112 µm |
Applicant's summary and conclusion
- Executive summary:
Particle size distribution of the substance was determined according to OECD 110 and mass mean diameter is given as 81.03 µm (Karbach 2010).
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