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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Water Air Soil Pollut. 2016 Feb 5;227(3):70. doi: 10.1007/s11270-016-2771-9

Table 1.

Size distribution, polydispersity index (PI) and surface charge of NiO and CoO NPs estimated from aqueous suspensions. Data expressed as mean, n = 3, where relative standard deviation was < 10%.

Nanoparticles TEM/nm DLS/nm PI Zeta value/mV
NiO (40 – 60nm) 20–90 1517 0.59 −10.1
CoO (< 100nm) 40–120 1168 0.24 −3.57