INTERACTION BETWEEN COPPER(II) OXIDE AND AQUEOUS AMMONIA IN THE PRESENCE OF ETHYLENEDIAMINETETRAACETIC ACID Article Nevskaya E.Yu., Gorichev I.G., Safronov S.B., Zaitsev B.E., Kutepov A.M., Izotov A.D. Theoretical Foundations of Chemical Engineering. Vol. 35. 2001. P. 503-509