International Standard
ISO 9441:1988
Steel — Determination of niobium content — PAR spectrophotometric method
Reference number
ISO 9441:1988
Edition 1
1988-12
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International Standard
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Published (Edition 1, 1988)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 9441:1988

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Language
CHF 42
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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
     : Published
    Publication date
     : 1988-12
    Stage
    : International Standard to be revised [90.92]
  • 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

9
Industry, Innovation and Infrastructure

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