Effects of Surfactants on High Regularity of 3D Porous Nickel for Zn²⁺ Adsorption Application

Table 1

Optimal compositions and operating conditions of the basic electrolyte.

Principal element	Optimum conditions
NiSO4 (mol/L)	0.2
NH4Cl (mol/L)	1.5
Concentrated H2SO4 (mL/100 mL)	0.9
H3BO3 (mol/L)	1.2
𝐽𝑘 (A/cm^2)	4.0
𝑡 (s)	25