ISO 787-19:2020

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 for determining the water-soluble nitrates in a sample of pigments using Nessler`s method.

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