Total *NPs in solution
(mg/L)
CuO NiO Fe2O3 Co3O4 TiO2
100 100 1000 1000 1000
**Average size (nm) 984 576 246 440 562
* NPs suspension were prepared in dH2O (pH=7)
**Average sizes (Z average) were determined by DLS after NPs incubated at room temperature for 30 min
Table 3: Size distribution of typical metal oxide NP solutions.