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EC number: - | 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:
- 2021
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
- Type of method:
- Laser scattering/diffraction
Test material
- Reference substance name:
- copper zinc trihydroxide nitrate
- Molecular formula:
- CuZn(OH)3NO3
- IUPAC Name:
- copper zinc trihydroxide nitrate
- Test material form:
- solid
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Key result
- Percentile:
- D10
- Mean:
- 0.75 µm
- St. dev.:
- 0
- Remarks on result:
- other: no sigma calculated
- Key result
- Percentile:
- other: D16
- Mean:
- 1.07 µm
- St. dev.:
- 0
- Remarks on result:
- other: no sigma calculated
- Key result
- Percentile:
- D50
- Mean:
- 2.78 µm
- St. dev.:
- 0
- Remarks on result:
- other: no sigma calculated
- Key result
- Percentile:
- other: D84
- Mean:
- 4.97 µm
- St. dev.:
- 0
- Remarks on result:
- other: no sigma calculated
- Key result
- Percentile:
- D90
- Mean:
- 5.76 µm
- St. dev.:
- 0
- Remarks on result:
- other: no sigma calculated
- Key result
- Percentile:
- D99
- Mean:
- 8.55 µm
- St. dev.:
- 0
- Remarks on result:
- other: no sigma calculated
Particle size distribution at different passagesopen allclose all
- No.:
- #1
- Size:
- 0.18 µm
- Distribution:
- 0.13 %
- No.:
- #2
- Size:
- 0.22 µm
- Distribution:
- 0.39 %
- No.:
- #3
- Size:
- 0.26 µm
- Distribution:
- 0.8 %
- No.:
- #4
- Size:
- 0.3 µm
- Distribution:
- 1.34 %
- No.:
- #5
- Size:
- 0.36 µm
- Distribution:
- 2.31 %
- No.:
- #6
- Size:
- 0.44 µm
- Distribution:
- 3.79 %
- No.:
- #7
- Size:
- 0.52 µm
- Distribution:
- 5.36 %
- No.:
- #8
- Size:
- 0.62 µm
- Distribution:
- 7.37 %
- No.:
- #9
- Size:
- 0.74 µm
- Distribution:
- 9.75 %
- No.:
- #10
- Size:
- 0.86 µm
- Distribution:
- 12.05 %
Applicant's summary and conclusion
- Conclusions:
- The particle size is ≥ 0.74 µm and ≤ 8,56 µm. The median particle size D50 of the substance is 2,78 µm
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