Active , Reaffirmed Standard
Most Recent

UNE 55539-11:1994 (R2022)

SURFACE ACTIVE AGENTS. METHODS FOR PREPARATION, STANDARDIZATION AND STORAGE OF STANDARD SOLUTIONS TO BE USED IN VOLUMETRIC ANALYSIS OF SURFACE ACTIVE AGENTS AND FORMULATIONS CONTAINING THEM. PART 11: METHANOLIC SOLUTION OF SODIUM HYDROXIDE, OF CONCENTRATION 0,5 MOL/L.