Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace (ISO/DIS 4935:2025)

Comment end date 2026-01-15

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Project stage codes

1. Prioritetinių darbo temų pažymėjimas ir ekspertų skyrimas

2. Projektas

3. Viešoji apklausa

From 2025-11-16 till 2026-01-15

4. Closure of enquiry

5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

77.040.30 - Chemical analysis of metals

ForeignTC'S

CEN/TC 459/SC 2

Number of comments

Comment start date

2025-11-16

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.

Relations

Pakeis

prEN ISO 4935