Hrykina Anna V. RussiaSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia khryckina2015@yandex.ru Author's articles Phase Equilibria and Salting Out of Butyric Acid in the Sodium Chloride – Water – Butyric Acid Ternary System Phase equilibria and salting out of butyric acid in the ternary system potassium nitrate + water + 2-(2-butoxyethoxy)ethanol