90.20 Standard under periodical review Jul 15, 2024
ISO
ISO/TC 44/SC 12 Soldering materials
International Standard
25.160.50 Brazing and soldering
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.
WITHDRAWN
ISO 9455-3:1992
PUBLISHED
ISO 9455-3:2019
90.20
Standard under periodical review
Jul 15, 2024