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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 787:2019

ISO 787:2019 General methods of test for pigments and extenders – Part 14: Determination of resistivity of aqueous extract

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Description

This document specifies a general method of test for determining the electric resistivity (specific electric resistance) or the specific electric conductivity, respectively, of the aqueous extract of a pigment. The method is applicable to all pigments and extenders, except pigments that are soluble in water.

The resistivity of the aqueous extract of a pigment is considered as a property independent of the amount of water-soluble matter. If agreed, a cold extraction method can be used.

Edition

3

Published Date

2019-02-26

Status

PUBLISHED

Pages

3

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies a general method of test for determining the electric resistivity (specific electric resistance) or the specific electric conductivity, respectively, of the aqueous extract of a pigment. The method is applicable to all pigments and extenders, except pigments that are soluble in water.

The resistivity of the aqueous extract of a pigment is considered as a property independent of the amount of water-soluble matter. If agreed, a cold extraction method can be used.

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