File:Zinc powder particles obtained by electroextraction.jpg
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Particles of zinc powder produced by electroextraction from an alkaline solution
Summary[edit]
| Description |
Русский: Цинковый порошок произведённый методом электроэкстракции из щелочного раствора. Высокая плотность тока и природа электролита в данном технологическом процессе являются причиной постоянного дефицита ионов цинка в приэлектродном слое. В совокупности с попутным разрядом кислорода и образованием газообразной фазы электрохимически восстановленный цинк имеет не компактную, а порошкообразную форму. Такие цинковые порошки обладают развитой удельной площадью поверхности за счёт дендритной структуры, что, в ряде производственных задач даёт им преимущество относительно цинковых порошков, полученных дистилляцией расплава.
English: Zinc powder produced by electroextraction from an alkaline solution. The high current density and the nature of the electrolyte in this technological process cause a constant deficiency of zinc ions in the near electrode layer. In combination with the associated discharge of oxygen and the formation of the gaseous phase, the electrochemically reduced zinc has a non-compact, but a powdery form. Such zinc powders have a developed specific surface area due to the dendritic structure, which, in a number of production problems, gives them an advantage over zinc powders obtained by melt distillation. English: Zinc powder produced by electroextraction from an alkaline solution. The high current density and the nature of the electrolyte in this technological process cause a constant deficiency of zinc ions in the near electrode layer. In combination with the associated discharge of oxygen and the formation of the gaseous phase, the electrochemically reduced zinc has a non-compact, but a powdery form. Such zinc powders have a developed specific surface area due to the dendritic structure, which, in a number of production problems, gives them an advantage over zinc powders obtained by melt distillation. |
| Date | |
| Source | Own work |
| Author | Sualur |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:52, 31 May 2019 | | 1,280 × 960 (146 KB) | Sualur (talk | contribs) | User created page with UploadWizard |
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