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Sublimation - Revision history
2026-05-11T15:34:33Z
Revision history for this page on the wiki
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https://wikimd.org/index.php?title=Sublimation&diff=6526432&oldid=prev
Prab at 13:19, 18 March 2025
2025-03-18T13:19:13Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:19, 18 March 2025</td>
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Prab
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Prab: CSV import
2025-03-18T02:38:17Z
<p>CSV import</p>
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Prab
https://wikimd.org/index.php?title=Sublimation&diff=6247956&oldid=prev
Prab: CSV import
2025-02-10T20:02:04Z
<p>CSV import</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:02, 10 February 2025</td>
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Prab
https://wikimd.org/index.php?title=Sublimation&diff=5295782&oldid=prev
Prab: CSV import
2024-02-25T18:23:19Z
<p>CSV import</p>
<p><b>New page</b></p><div>'''Sublimation''' is a [[chemical process]] where a [[solid]] turns into a [[gas]] without going through a [[liquid]] stage. This process is endothermic, meaning it absorbs [[heat]] from the surroundings. Sublimation is used in various applications, such as in the separation of substances, freeze-drying, and in certain types of printing.<br />
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== Process ==<br />
Sublimation occurs when the [[atmospheric pressure]] is low, and the [[temperature]] is high enough for a substance to go directly from the solid to the gas phase. The temperature at which this happens is called the [[sublimation point]]. Sublimation can also occur at normal atmospheric pressure if the substance is heated quickly.<br />
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== Applications ==<br />
Sublimation has several practical applications. It is used in the [[separation of substances]] because different substances will sublimate at different temperatures. This is useful in the production of [[pharmaceuticals]] and in [[forensic science]].<br />
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[[Freeze-drying]] is another application of sublimation. In this process, food or other materials are frozen and then placed in a vacuum. The water in the material sublimates, leaving behind a dry product that can be stored for a long time without spoiling.<br />
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Sublimation is also used in certain types of [[printing]]. Sublimation printers use heat to transfer dye onto materials such as a plastic, card, paper, or fabric.<br />
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== See also ==<br />
* [[Phase transition]]<br />
* [[Deposition (phase transition)]]<br />
* [[Triple point]]<br />
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== References ==<br />
<references /><br />
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[[Category:Chemical processes]]<br />
[[Category:Phase transitions]]<br />
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Prab