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高真空低溫冷凍乾燥機 /
Freeze Dryers


產品類型 / Product type:


冷凍乾燥機 / Freeze Dryers


產品應用 / Application:


相關網址 / Link:


規格說明 / Specification:


The K750X freeze drying specimen preparation reduces the distortion and shrinkage effects that occur when a wet specimen dries by normal evaporation. Distortion is due to the forces of surface tension that occur when going from a liquid to a vapour phase, such as from water to water vapour - the normal situation with biological specimens.

The freeze drying method overcomes this problem by careful sublimation of frozen specimens under vacuum - a process that avoids the liquid phase and thereby reduces distortion effects. The rate of sublimation is a function of temperature and vacuum, with typical drying times being several hours or longer.

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