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ISO 9441:1988

Steel — Determination of niobium content — PAR spectrophotometric method

NORMA vydaná dňa 8.12.1988

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The information about the standard:

Designation standards: ISO 9441:1988
Publication date standards: 8.12.1988
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategória: Technické normy ISO

Annotation of standard text ISO 9441:1988 :

Description / 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.