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About This Item


Full Description

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.

All current amendments available at time of purchase are included with the purchase of this document.

Document History

  1. BS EN ISO 9455-3:2020


    Soft soldering fluxes. Test methods

    • Most Recent
  2. BS EN ISO 9455-3:1995

    Soft soldering fluxes. Test methods. Determination of acid value, potentiometric and visual titration methods

    • Historical Version