Prezentul standard stabile?te metoda de determinare a gradului de alb al semifabricatelor fibroase (past? chimic?,semichi-mic?, mecanic?) ?i al produselor finite (h?rtie,carton).
STAS 4752-1979 history
1979STAS 4752-1979 Fibrous half-finished and f?- nished producte of paper in- dustry DETERMINATION OF WHITE NESS DEGREE