BS ISO BRITISHSTANDARD 5418-2:2006 Iron ores Determination of copper - Part 2: Flame atomic absorption Spectrometric method ICS 73.060.10 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO5418-2:2006 National foreword This British Standard was published by BSI. It is the UK implementation of IS0 5418-2:2006.It supersedes BS 7020-10-2:1988 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/58, Iron ores. A list of organizations represented on ISE/58 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was Amendmentsissuedsincepublication published under the authority of the Standards Policy and Amd. No. Date Comments Strategy Committee on 30 April 2007 BSI 2007 ISBN9780580504877 BSIS0 5418-2:2006 ISO INTERNATIONAL STANDARD 5418-2 First edition 2006-12-01 Iron ores Determination of copper - Part 2: Flame atomic absorption spectrometric method Mineraisdefer-Dosageducuivre- Partie 2: Methode par spectrometrie d'absorption atomique dans la flamme Reference number ISO 5418-2:2006(E) ii BSISO 5418-2:2006 Contents Page Foreword. iv 1 Scope. 2 Normativereferences. 3 Principle.. Reagents. 5 Apparatus. .3 Sampling and samples.. 6 6.1 Laboratory sample.. 6.2 Preparation of predried test samples............. 7 7.1 Number of determinations.. 7.2 Blank test and check test.... 7.3 Test portion... 7.4 7.4.1 Decompositionofthetestportion 7.4.2 Treatment of the solution... 7.4.3 Preparationofthesetofcalibrationsolutions. 7.4.4 Adjustmentofatomicabsorptionspectrometer 7.4.5 Atomic absorption measurements.... Expression of results ... 8 8.1 Caiculation of mass fraction of copper... 8.2 General treatment of results.. 8.2.1 Repeatabilityandpermissibletolerance 8.2.2 Determinationofanalyticalresult. 8.2.3 Between-laboratories precision. 8.2.4 Checkfor trueness. 8.2.5 Calculation of final result. 8.3 Oxidefactor. 9 Test report 9 AnnexA(normative)Flowsheetoftheprocedurefortheacceptanceof analyticalvaluesfortest samples... Annex B (informative)Derivation of repeatability and permissible tolerance equations.... 11 Annex C (informative) Precision data obtained by international analytical trials ... 12 ili BSIS05418-2:2006 Foreword ISsO (the International Organization for Standardization) is a worldwide federation of national standards bodies 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 The main task of technical committees is to prepare International Standards. Draft International Standards 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. ISO5418-2 was prepared by Technical Committee ISO/TC 102,Iron ore and direct reduced iron, Subcommittee SC 2, Chemicalanalysis. This first edition cancels and replaces isO 4693:1986, which has been technically revised. It has been Iso 5418 consists of the following parts, under the general title Iron ores -Determination of copper: Part1:2,2-Biquinolylspectrophotometricmethod Part2:Flameatomicabsorptionspectrometricmethod iv BS IS0 5418-2:2006 Iron ores Determination of copper - Part 2: Flame atomic absorption spectrometric method WARNING-This part of ISO 5418may involvehazardous materials,operations and equipment.This part of Iso 5418 does not purport to address all of the safety problems associated with its use.