Аннотация:
Crown thioethers and their non-macrocyclic analogues have been immobilized on a silica matrix coated with ω-(triethoxysilyl)-undecanoic acid. Thiacrown modified silica carriers were found to be highly suitable as complex-forming adsorbents for silver(I) and gold(III) ions under dynamic conditions, and application of their complexation affinity for preparation of solid-state electrochemical sensors based on composite carbon-paste electrodes has been demonstrated.