标准摘要
[中文适用范围]: 本文件仅规定了两种测定 1 型和 2 型焊剂酸值的方法,如 ISO 9454-1 中所定义。 方法 A 是电位滴定法,被视为参考方法。 方法 B 是另一种视觉终点滴定方法。 [外文原描述]: 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.
英文名称Soft soldering fluxes — Test methods — Part 3: Determination of acid value, potentiometric and visual titration methods