Steel — Determination of niobium content — PAR spectrophotometric method
NORM herausgegeben am 8.12.1988
Bezeichnung normen: ISO 9441:1988
Ausgabedatum normen: 8.12.1988
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
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.