This document specifies two methods for the determination of the acid value of a flux of types 1 and 2 only, as defined in ISO 9454‑1.
Method A is a potentiometric titration method and is to be considered as the reference method.
Method B is an alternative, visual end‑point, titration method.
EN ISO 9455-3:1994
EN ISO 9455-3:2020
60.60 Standard published
May 13, 2020