UNE 55520:1991
SURFACE ACTIVE AGENTS. DETERGENTS. DETERMINATION OF ANIONIC-ACTIVE MATTER. MANUAL OR MECHANICAL DIRECT TWO-PHASE TITRATION PROCEDURE.

Standard No.

UNE 55520:1991

Release Date

1991

Published By

AENOR

Latest

UNE 55520:1991

UNE 55520:1991 history

• 1991 UNE 55520:1991 SURFACE ACTIVE AGENTS. DETERGENTS. DETERMINATION OF ANIONIC-ACTIVE MATTER. MANUAL OR MECHANICAL DIRECT TWO-PHASE TITRATION PROCEDURE.