Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)

This method is applicable to non-alloy and low-alloy steels containing between 0.002 % (m/m) and 0.050 % (m/m) of nitrogen and less than 0.6 % (m/m) of silicon. It allows the determination only of the nitrogen content which can be converted to an ammonium salt. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.

Stahl - Bestimmung des Stickstoffgehalts - Spektralphotometrisches Verfahren (ISO 4945:1977)

Diese Internationale Norm legt ein spektralphotometrisches Verfahren zur Bestimmung des Stickstoffgehalts in unlegierten und niedrig legierten Stählen fest. Nach diesem Verfahren ist nur der Anteil des Stickstoffs zu bestimmen, der in ein Ammoniumsalz umgewandelt werden kann.

Acier - Dosage de l'azote - Méthode spectrophotométrique (ISO 4945:1977)

Jeklo - Določevanje dušika - Spektrometrična metoda (ISO 4945:1977)

Ta mednarodni standard opredeljuje spektrometrično metodo za določevanje dušika nelegiranega ali nizkolegiranega jekla. Ta metoda omogoča zgolj določevanje dušika, ki se lahko spremeni v amonijevo sol.

General Information

Status
Withdrawn
Publication Date
20-Oct-2009
Withdrawal Date
27-Nov-2018
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
28-Nov-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Stahl - Bestimmung des Stickstoffgehalts - Spektralphotometrisches Verfahren (ISO 4945:1977)Acier - Dosage de l'azote - Méthode spectrophotométrique (ISO 4945:1977)Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)77.080.20JeklaSteels77.040.30Kemijska analiza kovinChemical analysis of metalsICS:Ta slovenski standard je istoveten z:EN ISO 4945:2009SIST EN ISO 4945:2010en01-januar-2010SIST EN ISO 4945:2010SLOVENSKI
STANDARD



SIST EN ISO 4945:2010



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN ISO 4945
October 2009 ICS 77.080.20 English Version
Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
Acier - Dosage de l'azote - Méthode spectrophotométrique (ISO 4945:1977)
Stahl - Bestimmung des Stickstoffgehalts - Spektralphotometrisches Verfahren (ISO 4945:1977) This European Standard was approved by CEN on 5 October 2009.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 4945:2009: ESIST EN ISO 4945:2010



EN ISO 4945:2009 (E) 2 Foreword The text of ISO 4945:1977 has been prepared by Technical Committee ISO/TC 17 “Steel” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 4945:2009 by Technical Committee ECISS/TC 20 “Methods of chemical analysis of ferrous products” the secretariat of which is held by SIS. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2010, and conflicting national standards shall be withdrawn at the latest by April 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 4945:1977 has been approved by CEN as a EN ISO 4945:2009 without any modification.
SIST EN ISO 4945:2010



w - INTERNATIONAL STANDARD - INTERNATIONAL ORGANIZATION FOR STANDARDIZATION l MEXAYHAPOAHAII OPI-AHWSALWI l-IO CTAH~APTM3ALJWW .ORGANISATION INTERNATIONALE DE NORMALISATION Steel - Determination of nitrogen content - Spectrophotometric method Acier - Dosage de Kazote - Methode spectropho tombrique First edition - 1977-12-15 Corrected and reprinted - UDC 669.14 : 669.786 : 543.42 Ref. No. ISO 4945-1977 (E) Descriptors : steels, Chemical analysis, determination of content, nitrogen, spectrophotometric analysis. Price based on 6 pages SIST EN ISO 4945:2010



FOREWORD . ISO (the International Organization for Standardization) is a worldwide federation of national Standards institutes (ISO member bodies). The work of developing International Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. International
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