Silver

Nanomaterial pour density

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

Test material information

Constituent 1

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