Registration Dossier

Administrative data

Endpoint:
nanomaterial Zeta potential
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13/04/2018.
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

GLP compliance:
no
Remarks:
but study conducted in a laboratory holding a current statement of GLP compliance.
Type of method:
other: Dynamic Light Scattering (DLS)
Details on methods and data evaluation:
A suitable amount of the test substance, titanium nitride, the sample was added to 20ml of WFI and vortexed for 30s. The solution was ultrasonicated for 1 minute immediately prior to analysis using a FB15051 ultrasonic bath.

Test material

Constituent 1
Chemical structure
Reference substance name:
Titanium nitride
EC Number:
247-117-5
EC Name:
Titanium nitride
Cas Number:
25583-20-4
Molecular formula:
NTi
IUPAC Name:
titanium nitride
Test material form:
solid: nanoform

Data gathering

Instruments:
LIMS 2411 Malvern Zetasizer Nano ZSP 5600, LIMS 2411, SOP 043.01

Instrument parameters

Material
Refractive Index: 1.351
Absorption: 2.760

Dispersant (as Water)
Temperature: 25 °C
Viscosity: 0.8872 cP
RI: 1.330
Dielectric constant: 78.5

General options
Equilibrium Time: 120 s
Cell Type: DTS1070 (Zeta Cell)

Measurement
Number of runs: Automatic
Number of measurements: 3
Delay between measurements: 0
Data Processing: Automatic

Results and discussion

Zeta potential
Key result
Zeta potential:
-36.2 mV

Applicant's summary and conclusion

Conclusions:
The Zeta potential of TiN, measured by Dynamic Light Scattering, is -36.2 mV.