ISO INTERNATIONAL STANDARD 17179 First edition 2016-07-01 Stationary source emissions Determination of the mass concentration of ammonia in flue gas Performance characteristics of automated measuring systems Emission des sources fixes Détermination de la concentration massique de I'ammoniac dans les gaz de combustion Caractéristiques de performance des systemes de mesure automatisés Reference number IS0 17179:2016(E) ISO International Organization for Standardization =ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02016 mitted without license from IHS IS0 17179:2016(E) COPYRIGHT PROTECTEDDOCUMENT IS0 2016, 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 copyright@iso.org www.iso.org Licensee-ZHEJIANG INST OF STANDARDIZAISQ 0d6 - All rights reserVed Not for Resale, 2016/8/16 08:29:29 networking permited without license from IHS IS0 17179:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms ..5 5 Principle .6 6 Description of the automated measuring systems 6.1 Sampling and sample gas conditioning systems. ..6 6.2 Analyser equipment ..6 7 Performance characteristics .6 7.1 Performance criteria .6 7.2 Determination of the performance characteristics .7 7.2.1 Performancetest .7 7.2.2 Ongoing quality control .8 8 Measurement procedure. .8 8.1 General 8 8.2 Choice of the measuring system ..8 8.3 Sampling 9 8.3.1 Sampling location .9 8.3.2 Sampling point(s) 9 8.4 Data collection. ..9 8.5 Calculation ..9 9 Quality assurance and quality control procedures .10 9.1 General ..10 9.2 Frequency of checks ..10 9.3 Calibration, validation and measurement uncertainty .11 10 Test report ..11 Annex A (informative) Extractive differential NOx measurement technique ..13 Annex B (informative) Extractive direct NH3 measurement technique. ..17 Annex C (informative) In situ and direct NH3 measurement with TLS analyser ..20 Annex D (normative) Operational gases ..24 Annex E (normative) Procedures for determination of the performance characteristics during the general performance test ..26 Annex F (informative) Examples of the results for the assessment of ammonia AMS .34 Annex G (informative) Calculation of uncertainty of measurement of NH3 ..36 Bibliography. ..40 ii nSee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 d without license from IHS