Active standard | Published: 14/11/2022

ISO 3079:2022

Two-electrode method using acetic acid to measure pitting potential of aluminium and aluminium alloys in chloride solutions
(Méthode a deux électrodes utilisant l´acide acétique pour mesurer le potentiel de piqure de l´aluminium et des alliages d´aluminium dans des solutions de chlorure)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 3079:2022

Publication date: 14/11/2022

Pages: 8

Country: International technical standard

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Anotation

Description / Abstract: This document specifies a test method for the measurement of the pitting potential of aluminium and aluminium alloys in sodium chloride solution of a mass fraction of 5 %, with a fixed concentration of acetic acid as the oxidant, using a two-electrode system. This document provides a simple method for ranking aluminium alloys and is especially useful for evaluating galvanic protection performance of thin clad materials because the test method causes little specimen damage.

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