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ISO/FDIS 4935

Steel and iron — Determination of sulfur content — Infrared absorption method after combustion in an induction furnace ISO/FDIS 4935

General information

50.00   Final text received or FDIS registered for formal approval   Sep 7, 2026

ISO

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

International Standard

77.040.30   Chemical analysis of metals

Scope

The method is applicable to sulphur contents between 0,002 % (m/m) and 0,10 % (m/m). Specifies principle, reagents and material, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international cooperative tests. Annex B represents the precision date graphically. Annex C deals with induction furnaces and infrared sulfur analysers.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 4935:1989

NOW

IN_DEVELOPMENT
ISO/FDIS 4935
50.00 Final text received or FDIS registered for formal approval
Sep 7, 2026




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