Umetchikov Valeriy A. RussiaSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia ilinkk@info.sgu.ru Author's articles Phase Equilibria and Component Solubility in the Binary System Water + Dipropylamine Phase Equilibria and Salting Out of Butyric Acid in the Sodium Chloride – Water – Butyric Acid Ternary System