General methods of test for pigments and extenders - Part 14: Determination of resistivity of aqueous extract
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.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 787 |
| Publication Date | March 1, 2019 |
| Language | en - English |
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| Supercedes | |
| Committee | ISO/TC 256 |
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