Azeotropic distillation, an Uncommon card

The card carries these facts from its Wikipedia article.

• In chemical engineering, azeotropic distillation is usually the specific technique of adding another component to generate a new, lower-boiling azeotrope that is heterogeneous, such as the example below with the addition of benzene to water and ethanol.
• This practice of adding an entrainer which forms a separate phase is a specific sub-set of azeotropic distillation methods, or combination thereof.
• In some senses, adding an entrainer is similar to extractive distillation.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Azeotropic distillation article was read about 16,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 54 and blocks with 33: each hit it takes is cut by 13 %.

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The cards just above and just below Azeotropic distillation in the power ranking, all domains together.