Using the method of physics-chemical analysis of threefold systems [ZrACl₄]–(AH)Cl₃ not water solvent where A - heksildiantipirilmetan (I) the formation of adduct [ZrACl₄]•(AH)Cl (II) in the chloroform (III) fluid is established. Character of viscosity izomaliariane solutions change confirms the structure II. The method of solubility finds a constant of reaction [ZrACl₄]–(AH)Cl↔[ZrACl₄]–(AH)Cl•K_0,95=0,24±0,03. Poor soluble in III and concentrated HCl solutions the complex [ZrACl₄] (IV) is deposited at extraction of Zr (IV) macroquantity if there is no surplus I in III. Having I in plenty soluble in III adduct is formed, and Zr (IV) is taken in an organic phase completely (> 99%). In dichloretan and nitrobenzol fluid II is absent, however the increase of IV solubility provides extraction of Zr (IV) from strong solutions HCl in a I stoichiometric quantity.