Effect of impurities on the current efficiency of zinc electrodeposition / R.C. Kerby and T.R. Ingraham, Extraction Metallurgy Division. : M38-1/243-1971E-PDF
"The current efficiency of zinc electrodeposition from acidic zinc electrolytes was found to be adversely affected by a number of single metallic impurities--in particular, rhodium,platinum, gold, silver, tungsten, antimony, germanium, tellurium and copper--and by combinations of metallic impurities such as cobalt, copper and nickel with antimony and arsenic. The decrease in current efficiency of zinc electrodeposition appeared to be related to several factors, including a decrease in hydrogen overvoltage on certain areas of the zinc electrodeposit, the formation of local galvanic cells in the zinc electrodeposit leading to increased corrosion, an increase in catalytic evolution of hydrogen in the case of antimony and mercury, and the possible alteration of the growth morphology of the zinc electrodeposits by impurities. The current efficiency of zinc electrodeposition was determined by measuring the rate of cathodic hydrogen evolution by means of a thermal conductivity cell"--Abstract, page i.
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| Ministère/Organisme | Canada. Department of Energy, Mines and Resources. Canada. Mines Branch. Canada. Extraction Metallurgy Division. |
|---|---|
| Titre | Effect of impurities on the current efficiency of zinc electrodeposition / R.C. Kerby and T.R. Ingraham, Extraction Metallurgy Division. |
| Titre de la série | Research report ; R 243 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Format | Électronique |
| Document électronique | |
| Note(s) | Cover title. Digitized edition from print [produced by Natural Resources Canada]. "April 1971." Includes bibliographical references (pages 32-35). Includes abstract in French. |
| Information sur la publication | Ottawa : Department of Energy, Mines and Resources, Mines Branch, April 1971. ©1971 |
| Auteur / Contributeur | Kerby, R. C., author. Ingraham, Thomas R., author. |
| Description | 1 online resource (iv, 35 pages) : charts. |
| Numéro de catalogue |
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| Descripteurs | Metals |