BS ISO BRITISH STANDARD 17053:2005 Steel and iron Determination of oxygen Infrared method after fusion under inert gas ICS 77.080.01 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO17053:2005 National foreword This British Standard reproduces verbatim IS0 17053:2005 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee ISE/18, Sampling and analysis of iron and steel, which has the responsibility to: aid enquirers to understand the text; present to theresponsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document maybe found in theBSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the"Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract.Users areresponsiblefor its correct application. Compliance with a British Standard does not ofitself confer immunity fromlegal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the documentwaslastissued. Amendments issued sincepublication This British Standard was published under the authority Amd. No. Date Comments of the Standards Policy and Strategy Committee on 30March2005 @BSI 30 March 2005 ISBN 0 580 45704 4 BS IS0 17053:2005 ISO INTERNATIONAL 17053 STANDARD First edition 2005-02-01 SteelandironDeterminationof oxygen Infrared method after fusion under inert gas Acieretfonte-DosagedeI'oxygene-Methodeparinfrarougeapres fusion sous gaz inerte Reference number ISO 17053:2005(E) BS IS0 17053:2005 = BS ISO 17053:2005 Contents Page Foreword iv 1 Scope.. 2 Normative references. 3 Principle ... 4 Reagentsandmaterials.. 5 Apparatus. 6 Sampling .. 7 Procedure. .3 8 Expressionofresults.... .6 9 Test report.... Annex A(informative)Additional information on international cooperative test.. AnnexB(informative)Graphical representation of precision data.... ili BSIS017053:2005 Foreword (isO member bodies). The work of preparing International Standards is normally carried out through isO non-governmental, in liaison_with isO, also take part in the work. iso collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO17053 wasprepared by Technical Committee ISO/TC 17,Steel, Subcommittee SC1,Methods of determinationofchemicalcomposition. iv BSIS017053:2005 Steel and iron Determination of oxygen Infrared method after fusion under inert gas 1 Scope oxygen in steel and iron. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IsO5725-1:1994,Accuracy(truenessandprecision)ofmeasurementmethodsandresults—Part1:General principles and definitions IsO5725-2:1994,Accuracy (trueness and precision)of measurement methods and results—