ISO INTERNATIONAL STANDARD 12828-1 First edition 2011-11-15 Validation method for fire gas analysis - Part 1: Limits of detection and quantification Methode de validation des analyses de gaz d'incendie - Partie 1: Limites de détection et de quantification Reference number ISO 12828-1:2011(E) @ ISO 2011 py IHS under lic itted without license from IHS Not for Resale ISO 12828-1:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or Iso's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2011 - All rights reserved Tby IHS under itted without license from IHS Not for Resale ISO 12828-1:2011(E) Contents Page Foreword Introductior 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols. 5 General considerations. 5.1 Limit of detection: table of risks . 5.2 Limit of quantification: effect on repeatability r 5.3 Typically accepted values for limits of detection and quantification ... 6 Methods for determining limits of detection and quantification 6.1 Principles and summary of methods . 6.2 Main method 1 - Determination of LD and LQ from matrix data from blank samples .. 6.3 Main method 2 - Determination of LD and LQ from the linearity of calibration data ... .8 6.4 Main method 3 Checking a given or prescribed quantification limit .9 6.5 Other methods ... 11 7 Presentation of results... 7.1 Minimum requirements. 7.2 Reporting results from analyses 12 Annex A (informative) Examples of applications 14 Annex B (informative) Examples of importance of limits of detection and of quantification .. 18 Bibliography 20 Copyright International Organization for Standardizalon ghts reserved ii se from IHS Not for Resale