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ISO 4941:2024

Steel and iron — Determination of molybdenum content — Thiocyanate spectrophotometric method

Publication date:   Jul 23, 2024

General information

60.60   Standard published   Jul 23, 2024

ISO

ISO/TC 17/SC 1 Methods of determination of chemical composition

International Standard

77.080.01   Ferrous metals in general

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Scope

This document specifies a thiocyanate spectrophotometric method for the determination of molybdenum contents in steel and iron. The method is applicable to molybdenum mass fractions between 0,005 % and 0,125 %.
Vanadium and tungsten interfere with the measurement if, because of their contents, the V/Mo ratio is greater than 16 or the W/Mo ratio is greater than 8.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4941:1994

NOW

PUBLISHED
ISO 4941:2024
60.60 Standard published
Jul 23, 2024