- vacuum distillation flask
- • колба за вакуумна дестилация
English-Bulgarian polytechnical dictionary . 2013.
vacuum distillation flask
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Vacuum distillation — At atmospheric pressure, dimethyl sulfoxide boils at 189°C. Under a vacuum, it distills off into the connected receiver at only 70°C. Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is … Wikipedia
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claisen flask — ˈklāsən , ˈklīzən noun Usage: usually capitalized C Etymology: after Ludwig Claisen b1851 German chemist : a distilling flask with a branched neck especially designed for vacuum distillation see distilling flask illustration … Useful english dictionary
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Fractionating column — A fractionating column or fractionation column is an essential item used in the distillation of liquid mixtures so as to separate the mixture into its component parts, or fractions, based on the differences in their volatilities. Fractionating… … Wikipedia
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Air-free technique — Air free techniques refer to a range of manipulations in the chemistry laboratory for the handling of compounds that are air sensitive. These techniques prevent the compounds from reacting with components of air, usually water and oxygen; less… … Wikipedia
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