1. A. Guthrie,Vacuum Technology(John Wiley & Sons, Inc., New York, 1963), p. 388.
2. G. Lewin,Fundamentals of Vacuum Science and Technology(McGraw-Hill Book Company, Inc., New York, 1965), p. 188.
3. Nickel bath composition: NiCl2⋅6H2O, 336 g∕liter; HCl (conc), 7.9 cc∕liter;pH, 0.8; temp, 24–38 °C; current density, 32.3 A∕m2; and anodes, nickel, carbon free, depolarized bar.
4. Silver strike bath composition: silver Sol-U-Salt [KAg(CN)2], analysis—silver 54%, KCN 33%, AgCN 67%, 6.6 g∕liter; NaCN, 77 g∕liter; temp 24–38 °C; time 8 min; current density 32.3 A∕m2; anodes, silver bars.
5. Silver Sol-U-Salt [KAg(CN)2], 41 g∕liter; NaCN, 43 g∕liter; Temp, 24–38 °C; current density, 32.3 A∕m2; anodes, silver bars; time, as required for desired thickness, to be determined experimentally.