UNE 55843-1:1990
AGENTES DE SUPERFICIE. DETERGENTES. DETERMINACION DEL CONTENIDO EN MATERIA ACTIVA CATIONICA. PARTE 1: MATERIA ACTIVA CATIONICA DE PISO MOLECULAR ELEVADO
SURFACE ACTIVE AGENTS. DETERGENTS. DETERMINATION OF CATIONIC-ACTIVE MATTER CONTENT. PART 1: HIGH MOLECULAR MASS CATIONIC-ACTIVE MATTER
