titanium anode with an iridium oxide (IrO2) coating is commonly used for copper recovery in etching liquid in electroplating processes. The IrO2 coating provides excellent corrosion resistance and durability, which allows the anode to withstand the harsh chemical environment of the etching liquid.

The electroplating process for copper recovery in etching liquid involves the use of a cathode and an anode. The anode is typically made of titanium with an IrO2 coating, while the cathode is made of copper. The etching liquid is a solution containing dissolved copper ions that are deposited onto the copper cathode during the electroplating process.

When a direct current is applied to the electrodes, copper ions in the etching liquid are attracted to the negatively charged copper cathode and are reduced to form a solid copper layer. At the same time, the anode releases electrons, which creates positively charged ions in the etching liquid. These ions then migrate to the negatively charged anode and are oxidized, which helps to replenish the copper ions in the etching liquid.

The use of a titanium anode with an IrO2 coating provides several benefits for copper recovery in etching liquid. The IrO2 coating provides excellent corrosion resistance and durability, which extends the lifespan of the anode and reduces the need for frequent replacement. Additionally, the IrO2 coating provides a high level of electrical conductivity, which ensures efficient electron transfer during the electroplating process.

Overall, the use of a titanium anode with an IrO2 coating is a popular choice for copper recovery in etching liquid in electroplating processes due to its durability, corrosion resistance, and efficient electron transfer.

Titanium anode Iridium coating series IrO2 Copper recovery in etching liquid Specification

Substrate: Pure Titanium(Gr1)

Coating: IrO2+x

Coating Content: >5g/㎡

Coating Thickness: ≥10μm

Current Density: ≤20000A/㎡

Oxygen evolution potential: 1.5V(relative to calomel electrode)

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