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ISO 4945:1977

Steel — Determination of nitrogen content — Spectrophotometric method

Standard Details

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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 4945:1977
Document Year: 1977
Pages: 6
Edition: 1
  • Section Volume:
  • ISO/TC 17/SC 1. Methods of determination of chemical composition

Life Cycle

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WITHDRAWN
ISO 4945:1977
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