Reference number
ISO 9441:1988
© ISO 2026
ISO 9441:1988
Steel — Determination of niobium content — PAR spectrophotometric method
Edition 1
1988-12
Withdrawn
Withdrawn (Edition 1, 1988)

Abstract

The method is applicable to types of steel with niobium contents between 0,005 % (m/m) and 1,3 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A includes additional information on the international co-operative tests. Annex B gives a graphical representation of precision data.

General information

  • Status
     : Withdrawn
    Publication date
     : 1988-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 17/SC 1
    ICS :
    77.080.20 
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This standard contributes to the following Sustainable Development Goal

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Industry, Innovation and Infrastructure

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