Little-known facts of the creative way of the outstanding Ukrainian restorer OI Minzhulin: to the problem of restoration of objects of underwater archeology

The article highlights little-known facts from the biography and scientific restoration activities of O. Minzhulin, related to the restoration of underwater archeology. The paper describes the first methodology of restoration and conservation of materials of underwater archeological researches of Ukraine initiated by Minzhulin. This methodology involves: This methodology gradually included: placing the lifted objects in an alkaline aqueous solution, applying the method of intensive washing in deionized water, the method of desalination with sesquicarbonate, the method of alkaline-sulfite treatment of iron, the involvement of an ultrasonic device with frequency wave control and more. Innovative were the methods of restoration of underwater archaeological ferrous metal. An underwater volcano is named after the outstanding restorer.

Self-defect-healing of silicalite-1 membrane in alkaline aqueous solution with surfactant

Alkaline-treatment with surfactant was applied to silicalite-1 membrane for defect-healing. By immersion of silicalite-1 membrane into an aqueous solution of sodium hydroxide and cetyltrimethylammonium bromide (CTAB), defects among crystals are...