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Hlavní stránka>BS EN ISO 787-14:2019 General methods of test for pigments and extenders Determination of resistivity of aqueous extract
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sklademVydáno: 2019-04-11
BS EN ISO 787-14:2019 General methods of test for pigments and extenders Determination of resistivity of aqueous extract

BS EN ISO 787-14:2019

General methods of test for pigments and extenders Determination of resistivity of aqueous extract

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Označení normy:BS EN ISO 787-14:2019
Počet stran:10
Vydáno:2019-04-11
ISBN:978 0 580 51836 2
Status:Standard
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BS EN ISO 787-14:2019


This standard BS EN ISO 787-14:2019 General methods of test for pigments and extenders is classified in these ICS categories:
  • 87.060.10 Pigments and extenders

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.