A Study of the Initial Stages of Co Deposition on a Silver Electrode in Ammonia Medium Using an Electrochemical Quartz Crystal Microbalance

<table> (A) Chronoamperogram (a) and profile of Δ<i>f</i> variation (b) over time, obtained by applying a potential pulse of −980 mV and using a solution formed by [Co<sup>2+</sup>] 1 mM, [(NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>] 1 M, and Ag substrate as working electrode. (B) Frequency change diagram as a function of the charge, obtained from curves (a) and (b).</table>

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Figure 11

Figure 11: A Study of the Initial Stages of Co Deposition on a Silver Electrode in Ammonia Medium Using an Electrochemical Quartz Crystal Microbalance 

Figure 11 | A Study of the Initial Stages of Co Deposition on a Silver Electrode in Ammonia Medium Using an Electrochemical Quartz Crystal Microbalance 