ISO/FDIS 9441:2026
Forthcoming Draft standard
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ISO/FDIS 9441:2026

Steel — Determination of niobium content — 4-(2-Pyridylazo)-resorcinol (PAR) spectrophotometric method

Summary

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.

Notes

40.00 : DIS enregistré

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 05/19/2026
Edition 2
Page Count 11
EAN ---
ISBN ---
Weight (in grams) ---

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