AGENTES DE SUPERFICIE. DETERMINACION DEL CONTENIDO EN AGUA. METODO DE KARL FISCHER CON DOS DISOLUCIONES
SURFACE ACTIVE AGENTS. DETERMINATION OF WATER CONTENT. TWO SOLUTIONS KARL FISCHER METHOD
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CTN 55B - Surface active agents
ISO 4317:1977 (Non-equivalent)
It is cancelled by: UNE 55545:1994