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ISO 4945:1977

Steel — Determination of nitrogen content — Spectrophotometric method ISO 4945:1977

Publication date:   Dec 1, 1977

95.99   Withdrawal of Standard   Oct 16, 2018

General information

95.99   Withdrawal of Standard   Oct 16, 2018

ISO

ISO/TC 17/SC 1 Methods of determination of chemical composition

International Standard

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WITHDRAWN
ISO 4945:1977
95.99 Withdrawal of Standard
Oct 16, 2018

REVISED BY

PUBLISHED
ISO 4945:2018




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