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ISO/DIS 4935

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

General information

40.60     Feb 5, 2026

ISO

ISO/TC 17/SC 1

International Standard

77.040.30  

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/DIS 4935
40.60 Close of voting
Feb 5, 2026