Spectrophotometric Determination of p-Nitrophenol under ENP Interference

Table 2

The properties of the nano-Fe(OH)₃ solution.

Reagents	Times	Particle size (d.nm)	Average (d.nm)	Zeta potential (mV)	Average (mV)
Nano-Fe(OH)3	1	38.80	39.2	31.7	35.4
	2	38.41		37.4
	3	40.54		37.2