NEN-EN-ISO 787-19
General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method)
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 May 2020 |
| Status: | active |
| Page Count: | 18 |
| ICS Code (Pigments and extenders): | 87.060.10 |
scope:
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.
Document History
NEN-EN-ISO 787-19
May 1, 2020
General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method)
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...
September 1, 1995
General methods of tests for pigments and extenders - Part 19: Determination of water-soluble nitrates (Salicyclic acid method)
This document specifies a spectrophotometric method. The principle of the method consists in that the nitrate present in the extract of the sample is used to nitrate salicyclic acid in sulphuric acid...