Bath composition

mol/dm³

FeSO₄∙7H₂O

0.04

NiSO₄∙6H₂O

0.08

Na₂WO₄∙2H₂O

0.12

H₃BO₃

0.16

C₂H₈O₇

0.02

C₆H₅Na₃O₇∙2H₂O

0.19

Plating Conditions

Current density

50 mA/dm²

Plating period

30 min

Bath temperature

75˚C

pH

7.3

Counter electrode

Ni plate