Salting-out Ability of Inorganic Salts in Solutions of Ethoxylated Nonylphenols


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The pattern of changes in the salting-out ability of the salts of nontransition metals and ammonium is established with respect to aqueous solutions of ethoxylated nonylphenols. The anions in the salt play a key role in the process, while cations have almost no effect on the salting-out ability of the salts of singly charged anions. The salting-out effect of anions diminishes in the order \({\text{PO}}_{4}^{{3 - }}\), \({\text{SO}}_{4}^{{2 - }}\), Cl, \({\text{NO}}_{3}^{ - }\), Br, and I. Na+, K+, \({\text{NH}}_{4}^{ + }\), and Ba2+ cations have no pronounced salting-in effect. The salting-in effect diminishes along with the charge of the cation in the order Al3+, Mg2+, and Li+. It is shown that the salting-out ability of salts diminishes as the degree of surfactant ethoxylation grows.

作者简介

A. Stankova

Perm State National Research University

Email: elhalex@yandex.ru
俄罗斯联邦, Perm, 614990

A. Elokhov

Perm State National Research University; Institute of Natural Science, Perm State National Research University

编辑信件的主要联系方式.
Email: elhalex@yandex.ru
俄罗斯联邦, Perm, 614990; Perm, 614990

O. Kudryashova

Institute of Natural Science, Perm State National Research University

Email: elhalex@yandex.ru
俄罗斯联邦, Perm, 614990

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