BS ISO 7530-1:2015 BSl Standards Publication Nickel alloys Flame atomic absorption spectrometric analysis Part 1: Determination of cobalt, chromium copper, iron and manganese bsi. ..making excellence a habit BRITISH STANDARD BS ISO 7530-1:2015 National foreword This British Standard is the UK implementation of IS0 7530-1:2015 It supersedes BS 7455-1:1991, BS 7455-2:1991, BS 7455-3:1991, BS 7455-4:1991, BS 7455-5:1991 and BS 7455-6:1991, which are withdrawn. The UK participation in its preparation was entrusted to Technical Committee I/-, Miscellaneous standards materials and chemicals. A list of organizations representedonthis committee 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. @ The British Standards Institution 2015.Published by BSI Standards Limited 2015 ISBN 978 0580847004 ICS 77.120.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon30June2015. Amendments issued sincepublication Date Text affected BS ISO 7530-1:2015 ISO INTERNATIONAL STANDARD 7530-1 Second edition 2015-06-15 Nickel alloys Flame atomic absorption spectrometric analysis - Part 1: Determination of cobalt, chromium, copper, iron and manganese Alliagesdenickel-Analyseparspectrométried'absorption atomiquedanslaflamme- Partie 1:Determination du cobalt, du chrome,du cuivre, du feret du manganese Reference number IS0 7530-1:2015(E) O @ IS0 2015 BS ISO 7530-1:2015 IS0 7530-1:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISo's member body in the country of the requester. ISO copyright office Ch.de Blandonnet 8.CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org ii ISO 2015-Allrights reserved BS ISO 7530-1:2015 IS0 7530-1:2015(E) Contents Page Foreword iv Introduction. V 1 Scope .1 2 Normativereferences .1 3 Principle .1 4 Reagents. .1 5 Apparatus .4 6 Sampling and sample preparation 4 7 Procedure. 5 Test portion. 5 7.1 7.2 Blank test. 5 7.3 Dissolution 5 7.4 Determination of cobalt 5 7.4.1 Preparation of the test solution 5 7.4.2 Preparation of the calibration solutions. 6 7.5 Determination of chromium. 7 7.5.1 Preparation ofthetest solution 7 7.5.2 Preparationofthecalibrationsolutions. 8 7.6 Determination of copper. 9 7.6.1 Preparation of the test solution 9 7.6.2 Preparationofthecalibration solutions. 9 7.7 Determination of iron 11 7.7.1 Preparation of the test solution 11 7.7.2 Preparationofthecalibration solutions. 12 7.8 Determination of manganese. 13 7.8.1 Preparation of the test solution .13 7.8.2 Preparation of the calibration solutions. 13 7.9 Adjustmentofatomicabsorptionspectrometer. 15 7.10 .15 Spectrometricmeasurements 7.11 Calibration curves 16 7.12 Expression of results .16 7.13 Precision. 16 7.13.1 General. .16 7.13.2 Precision for cobalt. 17 7.13.3 Precisionfor chromium 18 7.13.4 Precision for copper. 18 7.13.5 Precision for iron 18 7.13.6 Precision for manganese .18 Test report. .19 8 Annex A (normative) Procedures for checking the instrumental criteria .20 Bibliography .23 @ IS0 2015 - All rights reserved iii BS ISO 7530-1:2015 IS0 7530-1:2015(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical c