{"id":2542,"date":"2024-02-26T16:05:28","date_gmt":"2024-02-26T15:05:28","guid":{"rendered":"https:\/\/www.chemsolutions.it\/approfondimento\/miscela-azeotropica\/"},"modified":"2024-05-28T16:38:14","modified_gmt":"2024-05-28T14:38:14","slug":"azeotropic-mixture","status":"publish","type":"approfondimento","link":"https:\/\/www.chemsolutions.it\/en\/approfondimento\/azeotropic-mixture\/","title":{"rendered":"Azeotropic mixture"},"content":{"rendered":"<p>An <strong>azeotropic mixture<\/strong> is a special type of liquid mixture that boils at a constant temperature, just like a pure substance.<\/p>\n<p>This means that when an azeotropic mixture is heated, all the components of the mixture evaporate together at the same time, with no separation occurring; in most mixtures, on the other hand, the components have different boiling points and evaporate at different temperatures, separating the mixture.<\/p>\n<p>This composition cannot be changed by simple distillation, the process that separates the components of a mixture according to their boiling points.<\/p>\n<p>In solvent cleaning and degreasing processes in vapor-phase plants, the same composition will always occur, ensuring the same quality and safety performance.<\/p>\n<p>&nbsp;<\/p>\n<p>Azeotropic mixtures can be formed at different pressures and temperatures, some common examples of azeotropic mixtures include:<\/p>\n<ul>\n<li>Methyl nonafluorobutyl ether (HFE) and 2-propanol (IPA): this mixture, commercially known as <a href=\"https:\/\/www.chemsolutions.it\/prodotto\/3m-novec-71ipa\/\" target=\"_blank\" rel=\"noopener\">3M NOVEC\u2122 71 IPA<\/a> or <a href=\"https:\/\/www.chemsolutions.it\/en\/product\/promosolv-dr1\/\" target=\"_blank\" rel=\"noopener\">PROMOSOLV\u2122 DR1<\/a>, boils at 54.8\u00b0C, lower than the boiling points of HFE (61\u00b0C) and IPA (82\u00b0C)<\/li>\n<li>Methyl nonafluorobutyl ether (HFE) and Trans 1,2-dichloroethylene (TDE): this mixture commercially known as 3M NOVEC\u2122 71 DE boils at 41\u00b0C, lower than the boiling points of HFE (61\u00b0C) and TDE (47.5\u00b0C)<\/li>\n<li>Ethanol and water (grain alcohol): this mixture boils at 78.3\u00b0C at standard pressure, which is lower than the boiling points of pure ethanol (78.4\u00b0C) or pure water (100\u00b0C)<\/li>\n<li>Acetone and methanol: this mixture boils at 56.2\u00b0C at standard pressure.<\/li>\n<\/ul>\n","protected":false},"author":4,"featured_media":2647,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-2542","approfondimento","type-approfondimento","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - 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