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EVS-EN ISO 4937:2024

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

General information

Valid from 31.12.2024
Base Documents
EN ISO 4937:2024; ISO 4937:2024
ICS Groups
77.080.01 Ferrous metals in general
Directives or regulations
None

Standard history

Status
Date
Type
Name
31.12.2024
Main
EVS-EN ISO 4937:2024
01.01.2000
Main
EVS-EN 24937:2000
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.

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Standard monitoring
English (PDF 700 KB)

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EVS-EN ISO 14284:2003

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Withdrawn from 01.12.2022

Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English