The Formulation of Electroless Nickel-Phosphorus Plating Baths
The plating reactions produce sodium orthophosphite, hydrogen ions and hydrogen gas as byproducts. These create problems, which will be discussed later. Also, about 16 g/L of sodium sulfate accumulates during each turnover of the nickel concentration. ... Nickel salt. Although nickel chloride** was used in the early baths, …