90.93 Standard confirmed Oct 31, 2024
CEN
CEN/TC 276 Surface active agents
European Norm
71.100.40 Surface active agents
This European Standard specifies the determination of the water number of ethoxylated products up to about 70 % ethylene oxide. EO/PO block polymers with water numbers higher than about 23 become hard to interpret.
NOTE The values obtained by this method are not completely identical with the water number obtained in dioxane, in particular water numbers higher than 23.
WITHDRAWN
ENV 12836:1999
PUBLISHED
EN 12836:2002
90.93
Standard confirmed
Oct 31, 2024