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sklademVydáno: 2020-04-16
ISO 787-19:2020
ISO 787-19:2020 - General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method)
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| Označení normy: | ISO 787-19:2020 |
| Vydání: | 2 |
| Vydáno: | 2020-04-16 |
| Počet stran (Anglicky): | 5 |
| Počet stran (Francouzsky): | 5 |
DESCRIPTION
ISO 787-19:2020
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.