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Diss Factsheets

Administrative data

Endpoint:
nanomaterial pour density
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 66137-2
GLP compliance:
no

Test material

Constituent 1
Chemical structure
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

Data gathering

Instruments:
Mikro-Ultrapycnometer 1200eT

Results and discussion

Pour density
Key result
Mean:
5.336 g/cm³
St. dev.:
0.002

Applicant's summary and conclusion

Conclusions:
The density of nanosilver sample 2 determined by Helium pycnometry analysis is 5.34 g/cm3