NA 062
DIN Standards Committee Materials Testing
Standards
[Withdrawn]
DIN 53910-1
DIN 53910-1
Testing of surface active agents - Preparation of hard water, preparation of water with standardized calcium hardness
Title (German)
Prüfung von Tensiden - Herstellung von hartem Wasser, Herstellung von Wasser mit eingestellter Calciumhärte