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sklademVydáno: 2021-01-20
UNE EN ISO 787-19:2021
General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)
Métodos generales de ensayo para pigmentos y extendedores. Parte 19: Determinación de los nitratos solubles en agua. (Método del ácido salicílico). (ISO 787-19:2020).
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| Označení normy: | UNE EN ISO 787-19:2021 |
| Počet stran: | 13 |
| Vydáno: | 2021-01-20 |
| Status: | Norma |
| Počet stran (Španělsky): | 12 |
DESCRIPTION
UNE EN ISO 787-19:2021
This document specifies a general method of test for determining the water-soluble nitrates in a sample of pigments by a spectrophotometric method using salicylic acid. ISO 787-13 specifies a method for determining the water-soluble nitrates in a sample of pigments using Nessler`s method.
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