ISO/FDIS 9441

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

Опште информације

Trenutna faza: 50.20 Effective date: 19. 5. 2026.

Inicijator: ISO

Pripada: ISO/TC 17/SC 1

Vrsta: Međunarodni standard

Apstrakt

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.

Životni ciklus

PRETHODNO

OBJAVLJEN
ISO 9441:1988

TRENUTNO

PROJEKAT
ISO/FDIS 9441
50.20 Početak postupka odobravanja definitivnog teksta nacrta standarda
19. 5. 2026.

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