Norm

NEN-EN 10179:1990 en

Chemische analyse van ijzer en staal - Fotometrische bepaling van lage gehalten (spoorelementen) aan stikstof in staal

49,30

Over deze norm

Status Definitief
Aantal pagina's 16
Commissie Chemische analyse van ijzer en staal
Gepubliceerd op 01-04-1990
Taal Engels
This European Standard specifies a method for the spectrophotometric determination of nitrogen in steels. The method is primarily intended for the determination of total nitrogen in very low nitrogen non-alloy steels. It may be used, however, for any low nitrogen ferrous alloy that is soluble in hydrochloric acid provided that the acid-resistant nitride has been found only in samples of silicon steels manufactured without aluminium addition and then only in sheet material. The method is applicable to nitrogen contents from 0.0005 to 0.005% (m/m).

Details

ICS-code 77.080.20
91.080.10-10
91.080.13
Nederlandse titel Chemische analyse van ijzer en staal - Fotometrische bepaling van lage gehalten (spoorelementen) aan stikstof in staal
Engelse titel Chemical analysis of ferrous materials - Spectrophotometric determination of nitrogen (trace amounts) in steels
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