NF T73-407

NF T73-407

December 1971
Standard Cancelled

Surface active agents. Preparation of water with known calcium hardness.

Main informations

Collections

National standards and national normative documents

Publication date

December 1971

Number of pages

6 p.

Reference

NF T73-407

ICS Codes

71.100.40   Surface active agents

Classification index

T73-407

Print number

1

International kinship

ISO 2174:1979
Standard replaced by (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.

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