Sublimation apparatus

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Sublimation apparatus is a piece of laboratory glassware used in the technique of sublimation usually used by chemists to purify compounds. Typically a solid is placed in a vessel which is then heated under vacuum. Under this reduced pressure the solid volatilizes and condenses as a purified compound on a cooled surface, leaving the non-volatile residue impurities behind. This cooled surface often take the form of a cold finger. Once heating ceases and the vacuum is released, the sublimed compound can be collected from the cooled surface.bg:Сублимация cs:Sublimace da:Sublimation (faseovergang) de:Sublimation (Physik) el:Εξάχνωσηeo:Sublimado fi:Sublimoituminen fr:Sublimation (physique) it:Sublimazione he:המראה (פיזיקה) lv:Sublimācija lt:Sublimacija nl:Sublimatie ja:昇華 (化学) no:Sublimasjon nn:Sublimasjonsimple:Sublimation sl:Sublimacija th:การระเหิด vi:Thăng hoa uk:Сублімація (фізика)