NF EN 12829

NF EN 12829

May 2011
Standard Current

Surface active agents - Preparation of water with known calcium and magnesium hardness

Le présent document prescrit une méthode pour la préparation d'une eau de dureté calcique et magnésienne déterminée pour l'essai des agents de surface et des produits qui en contiennent.

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Main informations

Collections

National standards and national normative documents

Publication date

May 2011

Number of pages

11 p.

Reference

NF EN 12829

ICS Codes

71.100.40   Surface active agents

Classification index

T73-407

Print number

1 - 04/05/2011

European kinship

EN 12829:2011
Sumary
Surface active agents - Preparation of water with known calcium and magnesium hardness

Le présent document prescrit une méthode pour la préparation d'une eau de dureté calcique et magnésienne déterminée pour l'essai des agents de surface et des produits qui en contiennent.
Replaced standards (1)
NF EN 12829
December 1997
Standard Cancelled
Surface active agents. Preparation of water with known calcium hardness.

Le présent document décrit une méthode de préparation d'une solution aqueuse de dureté calcique déterminée couramment employée pour soumettre à essai les agents de surface.

Table of contents
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  • Avant-propos
    3
  • 1 Domaine d'application
    4
  • 2 Références normatives
    4
  • 3 Termes et définitions
    4
  • 4 Principe
    4
  • 5 Réactifs
    5
  • 6 Appareillage
    6
  • 7 Mode opératoire
    6
  • Annexe A (informative) Unités utilisées pour exprimer la dureté de l'eau
    8
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