Question

Which one is used as anode in gold plating?

a.Gold

b.Silver

c.Iron

d.Nickel

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Answer 1

Gold anodes or platinum-plated titanium anodes can be used, but the platinum anodes are more common. Platinum can dissolve with high current density, which can be prevented by plating the anode with 10 μm gold plate.

Answer 2

$\huge\underline\bold\red{Answer :-}$

$\small\red{\green { GOLD}}$

• Gold-plated jewelry. Acidic cyanide plating solution with platinized titanium anodes.

• Most often, the base metal for gold plating is copper or copper alloy. When gold is plated on copper, a barrier layer must be plated between copper and gold to prevent copper diffusion in gold and eventual migration on gold surface.