Electrodeposition of Copper‐Nickel Alloys from Citrate Solutions on a Rotating Disk Electrode: I . Experimental Results

1988 ◽  
Vol 135 (12) ◽  
pp. 2957-2964 ◽  
Author(s):  
Ramona Y. Ying
Keyword(s):  
Nickel Alloys ◽  
Rotating Disk ◽  
Rotating Disk Electrode ◽  
Experimental Results ◽  
Disk Electrode ◽  
Copper Nickel

Evaluation of the diffusion coefficient of the zincate ion using a rotating disk electrode

1986 ◽  
Vol 64 (3) ◽  
pp. 523-527 ◽  
Author(s):  
Elisabete Jorge Pessine ◽  
Silvia M. L. Agostinho ◽  
Hélio C. Chagas
Keyword(s):  
Aqueous Solution ◽  
Diffusion Coefficient ◽  
Rotating Disk ◽  
Rotating Disk Electrode ◽  
Experimental Results ◽  
Alkali Concentration ◽  
Disk Electrode ◽  
Disc Electrode ◽  
Einstein Theory ◽  
Temperature Range

Using a rotating Hg-film disc electrode, the diffusion coefficient of the zincate ion in a 1–4 M aqueous solution of NaOH was measured. Experiments covered a temperature range from 25 to 40 °C. The experimental results are in agreement with the predictions of the Stokes–Einstein theory for diffusivity. The obtained Stokes radii decrease with increasing alkali concentration, but the ratio Dη/T is reasonably constant within the whole range of temperature investigated

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