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FprEN ISO 4937

Steel and iron - Determination of chromium content - Potentiometric or visual titration method (ISO/FDIS 4937:2024) FprEN ISO 4937

Publication date:   Sep 5, 2024

General information

50.60 Close of voting. Proof returned by secretariat   Oct 31, 2024

CEN

CEN/TC 459/SC 2 Methods of chemical analysis for iron and steel

European Norm

77.040.30   Chemical analysis of metals

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Scope

The method is applicable to chromium contents between 0.25 % (m/m) and 35 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests, and Annex B represents the precision data graphically.

Life cycle

PREVIOUSLY

PUBLISHED
EN 24937:1990

PUBLISHED
EN 24937:1990/AC:1991

NOW

IN_DEVELOPMENT
FprEN ISO 4937
50.60 Close of voting. Proof returned by secretariat
Oct 31, 2024