NF EN ISO 787-19

NF EN ISO 787-19

April 2020
Standard Current

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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Main informations

Collections

National standards and national normative documents

Publication date

April 2020

Number of pages

12 p.

Reference

NF EN ISO 787-19

ICS Codes

87.060.10   Pigments and extenders

Classification index

T31-230-19

Print number

1

International kinship

ISO 787-19:2020

European kinship

EN ISO 787-19:2020
Sumary
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.

Replaced standards (1)
NF EN ISO 787-19
October 1995
Standard Cancelled
General methods of test for pigments. Part 19 : determination of water-soluble nitrates (salicylic acid method).

Table of contents
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  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Principe
  • 5 Réactifs
  • 6 Appareillage
  • 7 Échantillonnage
  • 8 Préparation et courbe d'étalonnage
  • 9 Mode opératoire
  • 10 Expression des résultats
  • 11 Rapport d'essai
  • Bibliographie
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