NS-EN ISO 787-19:2020 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)
ADOPTED_FROM:EN 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.
NS-EN ISO 787-19:2020 history
2020NS-EN ISO 787-19:2020 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)
1995NS-EN ISO 787-19:1995 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicyclic acid method) (ISO 787-19:1974)