BS ISO BRITISHSTANDARD 5418-1:2006 Iron ores Determination of copper - Part 1: 2,2'-Biquinolyl Spectrophotometric method ICS 73.060.10 BSi NO COPYINGWITHOUT BSIPERMISSIONEXCEPTASPERMITTEDBY COPYRIGHTLAW British Standards BSISO 5418-1:2006 National foreword This British Standard was published by BSI. It is the UK implementation of ISO 5418-1:2006.It supersedes BS ISO 5418-1:1994 which is withdrawn.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 responsiblefor 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 Date Amd. No. Comments Strategy Committee on 30 April 2007 @BSI 2007 ISBN9780580504631 BS ISO 5418-1:2006 INTERNATIONAL ISO STANDARD 5418-1 Second edition 2006-12-01 Iron ores Determination of copper - Part 1: 2,2'-Biquinolyl spectrophotometric method Minerais de fer-Dosage du cuivre- Partie1:Methode spectrophotometrique a la biquinoleine-2,2 Reference number ISO 5418-1:2006(E) i BS ISO 5418-1:2006 Contents Page Foreword. iv 1 Scope 2 Normative references 3 Principle. 4 Reagents.. 5 Apparatus 6 Samplingand samples. 6.1 General...... 6.2 Preparationofpredriedtestsamples. 7 Procedure.... 7.1 Number ofdeterminations 7.2 Testportion.. 7.3 Blank test and check test.... 7.4 Determination. 7.4.1 Decompositionofthetestportion 7.4.2 Treatment of the residue.. 7.4.3 Treatment ofthetest solution 7.4.4 Spectrophotometricmeasurement. 7.5 Preparation of calibration curve.. 8 Expressionofresults... 8.1 Calculationofmassfractionofcopper... 8.2 Generaltreatmentofresults 8.2.1 Repeatabilityandpermissibletolerance 8.2.2 Determination of analytical result. 8.2.3 Between-laboratories precision.. 8.2.4 8.2.5 Calculation of final result... 8.3 Oxidefactor. 9 Test report. Annex A(normative)Flowsheet oftheprocedurefor theacceptance ofanalytical values for test samples. ..10 AnnexB(informative)Derivationof repeatability and permissible tolerance equations... 11 Annex C (informative) Precision data obtained by international analytical trials ... 12 ili BS IS0 5418-1:2006 Foreword IsO (the International Organization for Standardization)is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been 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 least75%ofthe memberbodiescastinga vote Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO5418-1 was prepared by Technical Committee ISO/TC 102, Iron ore and direct reduced iron Subcommittee SC2, Chemicalanalysis. This second edition cancels and replaces the first edition (IsO 5418-1:1994), which has been technically Iso 5418 consists of the following parts, under the general title Iron ores -Determination of copper: Part 1: 2,2'-Biquinolyl spectrophotometric method Part 2:Flameatomic absorption spectrometric method iv BS ISO 5418-1:2006 Iron ores Determination of copper - Part 1: 2,2'-Biquinolyl spectrophotometric method WARNING-This part of ISO 5418 may involve hazardous materials, operations and equipment.This part of Iso5418 does not purport toaddress all of th