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ISO 9441:1988

Steel — Determination of niobium content — PAR spectrophotometric method

Standard Details

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
Standard Type: Main
Document No: ISO 9441:1988
Document Year: 1988
Pages: 6
Edition: 1
  • Section Volume:
  • ISO/TC 17/SC 1. Methods of determination of chemical composition

Life Cycle

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ISO 9441:1988
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