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FprEN ISO 4935

Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace (ISO/FDIS 4935:2026)

Publication date:   Oct 15, 2026

General information

50.20   Proof sent to secretariat or FDIS ballot initiated: 8 weeks   Oct 15, 2026

CEN

CEN/TC 459/SC 2 Methods of chemical analysis for iron and steel

European Norm

77.040.30   Chemical analysis of metals

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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
EN 24935:1991

NOW

IN_DEVELOPMENT
FprEN ISO 4935
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 15, 2026