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ISO 787-14:2019

General methods of test for pigments and extenders -- Part 14: Determination of resistivity of aqueous extract

General information
Valid from 26.02.2019
Directives or regulations
None
Standard history
Status
Date
Type
Name
26.02.2019
Main
25.07.2002
Main
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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