File:Очистка йода возгонкой (сублимацией) 02.jpg
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![File:Очистка йода возгонкой (сублимацией) 02.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/%D0%9E%D1%87%D0%B8%D1%81%D1%82%D0%BA%D0%B0_%D0%B9%D0%BE%D0%B4%D0%B0_%D0%B2%D0%BE%D0%B7%D0%B3%D0%BE%D0%BD%D0%BA%D0%BE%D0%B9_%28%D1%81%D1%83%D0%B1%D0%BB%D0%B8%D0%BC%D0%B0%D1%86%D0%B8%D0%B5%D0%B9%29_02.jpg/445px-%D0%9E%D1%87%D0%B8%D1%81%D1%82%D0%BA%D0%B0_%D0%B9%D0%BE%D0%B4%D0%B0_%D0%B2%D0%BE%D0%B7%D0%B3%D0%BE%D0%BD%D0%BA%D0%BE%D0%B9_%28%D1%81%D1%83%D0%B1%D0%BB%D0%B8%D0%BC%D0%B0%D1%86%D0%B8%D0%B5%D0%B9%29_02.jpg?20151120224159)
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[edit]DescriptionОчистка йода возгонкой (сублимацией) 02.jpg |
Русский: Возгонка (сублимация) — это переход вещества из твердого состояния в газообразное, минуя жидкую фазу. При обычных условиях йод представляет собой металлический порошок, который при сильном нагревании образует фиолетовые пары – газообразный молекулярный йод, который при охлаждении оседает на поверхности колбы в виде игольчатых кристаллов. Нелетучие примеси остаются на дне колбы. English: Sublimation (sublimation) - is the transition from solid to gas, bypassing the liquid phase. Under ordinary conditions of iodine is a metal powder which, when heated, forms a strong violet couples - gaseous molecular iodine, which when deposited on the cooling surface of the bulb in the form of needles. The non-volatile impurities remain at the bottom of the flask. |
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Author | Ershova Elizaveta |
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This image was uploaded as part of European Science Photo Competition 2015. |
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current | 22:41, 20 November 2015 | ![]() | 448 × 604 (52 KB) | Ershova Elizaveta (talk | contribs) | User created page with UploadWizard |
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