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ISO 787-14:2019

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

Üldinfo
Kehtiv alates 26.02.2019
Tegevusala (ICS grupid)
87.060.10 Pigmendid
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
26.02.2019
Põhitekst
25.07.2002
Põhitekst
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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