AENOR UNE 55606:1978 Surface agents. Sodium hydroxide used as raw material for formula detergents. Determination of sulfur-containing components. Method by reduction and volumetry.
1978AENOR UNE 55606:1978 Surface agents. Sodium hydroxide used as raw material for formula detergents. Determination of sulfur-containing components. Method by reduction and volumetry.