New Brightener for Zn-Fe Alloy Plating from Sulphate Bath

Table 2

Optimum bath composition and conditions.

Bath constituents	Concentration (±5% in gL^−1)	Operating conditions
ZnSO4·7H2O gL^−1	160	Anode: zinc metal (99.99%)
FeSO4·7H2O gL^−1	16	Cathode: mild steel
Na2SO4 gL^−1	40	Temperature: 293–303 K
H3BO3 gL^−1	12	Bright current density range: 0.5–8 Adm^−2
CTAB gL^−1	2	Agitation: air
		pH = 3.5