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ISO/CD 8502-9

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-soluble salts

General information

30.20     Jan 27, 2026

ISO

ISO/TC 35/SC 12

International Standard

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 8502-9:2020

NOW

PROJECT
ISO/CD 8502-9
30.20 CD study/ballot initiated
Jan 27, 2026

National adoptions

prSRPS EN ISO 8502-9:2025  
ISS

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-soluble salts

10.99   New project approved

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