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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v36.i6.60
10 pages

Adsorption and Desorption of Cation Surface-active Substances by the "Aerosil" Preparation and its Influence on Immuno-physiological Indices in Carp Blood

O. N. Davydov
I. I. Schmalhausen Institute of Zoology, National Academy of Sciences of Ukraine, Kiev, Ukraine
I. A. Balakhnin
I. I. Schmalhausen Institute of Zoology, National Academy of Sciences of Ukraine, Kiev, Ukraine
K. P. Kalinichenko
Institute of Zoology, and Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
L. Ya. Kurovskaya
Institute of Zoology National Academy of Sciences of Ukraine Kyiv, Ukraine


The "Aerosil" preparation (on the silicon base) is an effective sorbent of cation surface-active substances (CSAS, cationic surfactants). Up to 83% of CSAS is adsorbed from water during 5−36 min, with their concentration equivalent to 30-100 maximum levels permitted in fishery. The CSAS desorption from the sorbent is significant (50−89%) in acid (pH = 5.4) and insignificant (2−13%) in weakly alkaline (pH = 7.6) medium. No pronounced adverse impact of "Aerosil" on biennial carp blood was detected.

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