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Physical & Chemical properties

Nanomaterial specific surface area

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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:
2017
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
Name:
Unnamed
Type:
Constituent
Test material form:
solid: nanoform, surface-treated
Remarks:
aqueous suspension of nanomaterial
Details on test material:
Spherical particles
Particle size distribution (primary particles; number-based): Min = 5 nm, D25 = 7 nm, D50 = 8 nm, D75 = 9 nm, Max = 61 nm
Volume specific surface area: 714 m2/cm3
Zeta potential: -33.5 mV

Results and discussion

Specific surface areaopen allclose all
Specific Surface Area:
133 m²/g
Specific Surface Area:
714 m²/cm³
Remarks on result:
other: Volume Specific Surface Area

Applicant's summary and conclusion

Conclusions:
The Volume Specific Surface Area of nanosilver Sample 1 is 714 m2/cm3.