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Monitoring electroless nickel baths: nickel sulfate, hypophosphite and pH value

Electroless nickel baths are used for various applications. The advantages of chemical nickel deposition are even distribution of the coating as well as the possibility to use it with rack and barrel facilities.

In electroless deposition processes the electrons required to reduce the metal ions are generated by a chemical process in the solution. The reagents used have to be topped up to achieve even deposition. Increasing salt concentrations of the unincorporated ions in the solution can impair the coating properties or the rate of deposition.

These increases in salt concentration must be monitored in order to prolong the bath-life through regenerative measures. ProcessLab ensures economic and environmentally aware production throughout the process chain.