ISO 4935:1989 Preview
Steel and iron -- Determination of sulfur content -- Infrared absorption method after combustion in an induction furnace
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
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.
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