Table 1.

ζ -potential of Ag nanoparticles dispersed in different solutions.

Dispersant	Refractive index	Zeta potential (mV)
CMC	1.515	−49.6 ± 3
SDS	1,461	−40.3 ± 6
Sodium Oleate	1,463	−70.7 ± 13
Agar	1,343	−21.3 ± 4
PVA	1,500	-5.8 ± 1.6
Water	1,333	17.2 ± 2