ISO 8502-9:2020 涂料和相关产品使用前钢衬底的制备 表面清洁度评定的试验 第9部分：水溶性盐电导测定的现场方法

标准编号：ISO 8502-9:2020

中文名称：涂料和相关产品使用前钢衬底的制备 表面清洁度评定的试验 第9部分：水溶性盐电导测定的现场方法

英文名称：Preparation of steel substrates before application of paints and related products — Tests for the assessment of surface cleanliness — Part 9: Field method for the conductometric determination of water

发布日期：2020-08

标准范围

本文件规定了一种现场方法，用于在表面处理之前和/或之后，通过电导测定评估钢表面上各种水溶性盐的表面密度。该方法无法测定氯化物、硫酸盐、钠等盐成分的单个表面密度。该方法仅评估与水接触时形成电解质（离子）的污染物。这些代表了大部分污染物。

This document specifies a field method for the assessment of the surface density of various water-soluble salts on steel surfaces, before and/or after surface preparation, by conductometric determination. The individual surface densities of the salt composition like chlorides, sulphates, sodium, etc, cannot be determined by this method.This method assesses only contaminants that forms an electrolyte (ions) when in contact with water. These represent the greater part of the contaminants.

标准预览图