Registration Dossier
Registration Dossier
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EC number: 231-131-3 | CAS number: 7440-22-4
Nanomaterial specific surface area
Administrative data
- Endpoint:
- nanomaterial specific surface area
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
- Principles of method if other than guideline:
- The specific surface area was not measured but calculated using the results of the density and size distribution measurements.
Test material
- Reference substance name:
- Silver
- EC Number:
- 231-131-3
- EC Name:
- Silver
- Cas Number:
- 7440-22-4
- Molecular formula:
- Ag
- IUPAC Name:
- Silver
- Test material form:
- solid: nanoform, surface-treated
- Remarks:
- paste of nanomaterial
- Details on test material:
- Spherical particles
Particle size distribution (primary particles; number-based): Min = 11 nm, D25 = 25 nm, D50 = 34 nm, D75 = 48 nm, Max = 161 nm
Volume specific surface area: 150 m2/cm3
Zeta potential: -23.3 mV
Constituent 1
Results and discussion
Specific surface areaopen allclose all
- Specific Surface Area:
- 28.2 m²/g
- Specific Surface Area:
- 150 m²/cm³
- Remarks on result:
- other: Volume Specific Surface Area
Applicant's summary and conclusion
- Conclusions:
- The Volume Specific Surface Area of nanosilver Sample 2 is 150 m2/cm3.
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