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sklademVydáno: 2020-09-23
UNE EN ISO 9455-3:2020
Soft soldering fluxes - Test methods - Part 3: Determination of acid value, potentiometric and visual titration methods (ISO 9455-3:2019)
Fundentes para soldeo blando. Métodos de ensayo. Parte 3: Determinación del índice de acidez por los métodos de valoración potenciométrica y visual. (ISO 9455-3:2019).
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| Označení normy: | UNE EN ISO 9455-3:2020 |
| Počet stran: | 14 |
| Vydáno: | 2020-09-23 |
| Status: | Norma |
DESCRIPTION
UNE EN ISO 9455-3:2020
This part of IS0 9455 specifies two methods for the determination of the acid value of a flux of types 1 and 2 only, as defined in IS0 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.
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