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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
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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 |
DESCRIPTION
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.