Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter (ISO 8799:2009); German version EN ISO 8799:2009— 11 стр.
Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method; German version EN 14480:2004, Corrigenda to DIN EN 14480:2004-11; German version EN 14480:2004/AC:2006— 2 стр.
Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter (ISO 8799:1988); German version EN ISO 8799:1995— 4 стр.
Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter (ISO 8799:1988); German version EN ISO 8799:1995— 4 стр.