AGENTES DE SUPERFICIE. PREPARACION DE UN AGUA DE DUREZA CALCICA DETERMINADA.
SURFACE ACTIVE AGENTS. PREPARATION OF WATER WITH KNOWN CALCIUM HARDNESS.
Buy on AENOR
71.100.40 / Surface active agents
CTN 55B - Surface active agents
ISO 2174:1990 (Identical)
It is cancelled by: UNE-EN 12829:1998
Cancel: UNE 55524:1983