A.A.Samoteikin, Yu.V.Kholin, V.N.Zaitsev*, N.R.Sumskaya*
Received October 28, 1998
The model of sorption from a semi-infinite solution has been
established to be applicable to describe the hydrogen ion sorption
on aminosilica. The sorption process has been found to include two
stages, namely, the fast and low ones. The transfer of hydrogen ions
and counter-ions from the solution to complexing chemically modified
silicas phase has been found to be an endothermal process and to
occur under the enthropy increase.