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Normas DIN – AENOR
DIN EN ISO 9455-3:2020-08

DIN EN ISO 9455-3:2020-08

Soft soldering fluxes - Test methods - Part 3: Determination of acid value, potentiometric and visual titration methods (ISO 9455-3:2019); German version EN ISO 9455-3:2020

Flux de brasage tendre - Méthodes d'essai - Partie 3: Détermination de l'indice d'acide par des méthodes de titrage potentiométrique et visuel (ISO 9455-3:2019); Version allemande EN ISO 9455-3:2020

Flussmittel zum Weichlöten - Prüfverfahren - Teil 3: Bestimmung des Säurewertes, potentiometrische und visuelle Titrationsverfahren (ISO 9455-3:2019); Deutsche Fassung EN ISO 9455-3:2020

Fecha:
2020-08 /Active
Equivalencias internacionales:

EN ISO 9455-3 (2020-05)

ISO 9455-3 (2019-09)

Relación con otras normas DIN:
Resumen:
The 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. In this edition an automated procedure for method A is added. Method B is an alternative, visual end-point titration method.
Keywords:
Acid number, Acid value, Acids, Automatic, Determination, Fluxes (materials), Manual, Potentiometric methods, Precision, Soldering, Solders, Test methods, Testing, Titration, Titration method, Visual, Volumetric analysis
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