PPS 1508-19
Project Plan 2026
General methods of test for pigments Part 19: Determination of water-soluble nitrates (Salicylic acid method)
Adopted by the Council as a standard on 13/04/2026
Sector:
Chemicals and Petroleum
Project Method:
Adoption with modification
Project Type:
New
International Classification for Standards (ICS)
| Code | Classification |
|---|---|
| 87.060.10 | Pigments and extenders |
Adopted Standard
| Standards / Amendment / Corrigendum | |
|---|---|
| 1 | ISO 787-19:2020 |
Replaces
| Will Replace |
|---|
| PS 1508-2010 |
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.