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Studies of the electrodeposition of palladium from baths based on [Pd(NH3)2X2] salts. I. [Pd(NH3)2Cl2] baths

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Abstract

Spectroscopic techniques are used to confirm the chemistry of solutions of [Pd(NH3)2Cl2] in aqueous NH4Cl at various pH. In addition, potential sweep and step methods at rotating and stationary disc electrodes (both vitreous carbon and freshly plated palladium) are used to investigate palladium deposition from a standard electroplating bath, [Pd(NH3)2Cl2] in NH4Cl/NH3 (pH 8.9). The relative importance of oxygen reduction, hydrogen absorption and hydrogen evolution as competing cathode reactions under various conditions is defined and the advantage of strong convection for high rate plating is demonstrated.

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Authors and Affiliations

  1. Department of Chemistry, The University, SO9 5NH, Southampton, England

    R. Le Penven, W. Levason & D. Pletcher

Authors
  1. R. Le Penven
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  2. W. Levason
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  3. D. Pletcher
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Le Penven, R., Levason, W. & Pletcher, D. Studies of the electrodeposition of palladium from baths based on [Pd(NH3)2X2] salts. I. [Pd(NH3)2Cl2] baths. J Appl Electrochem 20, 399–404 (1990). https://doi.org/10.1007/BF01076048

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  • DOI: https://doi.org/10.1007/BF01076048

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