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EN ISO 4945:2009

Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977) EN ISO 4945:2009

Publication date:   Dec 30, 2009

General information

99.60 Withdrawal effective   Nov 28, 2018

CEN

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

European Norm

77.080.20   Steels

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Scope

This method is applicable to non-alloy and low-alloy steels containing between 0.002 % (m/m) and 0.050 % (m/m) of nitrogen and less than 0.6 % (m/m) of silicon. It allows the determination only of the nitrogen content which can be converted to an ammonium salt. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.

Life cycle

NOW

WITHDRAWN
EN ISO 4945:2009
99.60 Withdrawal effective
Nov 28, 2018

REVISED BY

PUBLISHED
EN ISO 4945:2018

Relations

Adopted from ISO 4945:1977 IDENTICAL