Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method

This EURONORM 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 form of silicon nitride is not present. This highly 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).
NOTE The method has also been successfully applied to a pure iron with a nitrogen content of 0,0038 % (m/m) - see Annex.

Chemische Analyse von Eisen- und Stahlwerkstoffen - Bestimmung von Stickstoff (Spuren-Gehalte) in Stahl - Photometrisches Verfahren

Analyse chimique des matériaux sidérurgiques - Dosage de l'azote (a l'état de traces) dans les aciers - Méthode spectrophotométrique

Kemična analiza železovih zlitin - Določevanje dušika (v sledeh) v jeklih - Spektrofotometrična metoda

General Information

Status
Published
Publication Date
30-Nov-1997
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Dec-1997
Due Date
01-Dec-1997
Completion Date
01-Dec-1997

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Standard
EN 10179:1997
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Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Chemische Analyse von Eisen- und Stahlwerkstoffen - Bestimmung von Stickstoff (Spuren-Gehalte) in Stahl - Photometrisches VerfahrenAnalyse chimique des matériaux sidérurgiques - Dosage de l'azote (a l'état de traces) dans les aciers - Méthode spectrophotométriqueChemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in s
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