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ISO/CD 4935

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

General information

30.60     Jun 11, 2025

ISO

ISO/TC 17/SC 1

International Standard

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

PROJECT
ISO/CD 4935
30.60 Close of voting/ comment period
Jun 11, 2025

National adoptions

prSRPS EN ISO 4935:2023  
ISS

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

10.99   New project approved

C017-1 more