Steel and iron — Determination of sulfur content — Infrared absorption method after combustion in an induction furnace
NORMA vydána dne 21.9.1989
Označení normy: ISO 4935:1989
Datum vydání normy: 21.9.1989
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Mezinárodní technická norma
Kategorie: Technické normy ISO
Description / Abstract: 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.