A.Varmavuori，(Finland)International Congress of Pure and Applied Chemistry 26th International Congress of Pure and Applied Chemistry International Congress of Pure and Applied Chemistry Inthernational Congress of Pure and Applied Chemistry (Strasbourg)International Union of Pure and Applied Chemistry 26th International Congress of Pure and Applied Chemistry. 1 26th International Congress of Pure and Applied Chemistry. 2 26th International Congress of Pure and Applied Chemistry. 4 26th International Congress of Pure and Applied Chemistry. 5 International Union of pure and applied chemistry