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CEN
EN ISO 4945:2009

EN ISO 4945:2009

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

29-03-2022

Published date

21-10-2009

Publisher

Comite Europeen de Normalisation

Foreword
1 SCOPE
2 FIELD OF APPLICATION
3 REFERENCE
4 PRINCIPLE
5 REAGENTS
6 APPARATUS
7 SAMPLING
8 PROCEDURE
9 EXPRESSION OF RESULTS
10 TEST REPORT

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.

Committee
CEN/TC 459/SC 2
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

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