ISO INTERNATIONAL STANDARD 19701 Second edition 2013-04-01 Methods for sampling and analysis of fire effluents Méthodes d'échantillonnage et d'analyse des effluents du feu Reference number IS0 19701:2013(E) LSO IS02013 HS under ted without license from IHS Not for Resale IS0 19701:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 19701:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Normative references ..1 3 Terms and definitions ..1 4 Methods of sampling ..1 4.1 General considerations .1 4.2 Concentration and volume fraction .2 4.3 Special considerations. . 2 4.4 Sampling using gas-solution absorbers. ..3 4.5 Sampling using solid sorption tubes .5 4.6 Sampling for spectrometric or spectrophotometric analysis ..6 4.7 Sampling using gas bags > 5 Analytical methods for fire gases. ..8 5.1 Carbon monoxide by non-dispersive infrared spectroscopy (NDIR) 5.2 Carbon dioxide by non dispersive infrared spectroscopy (NDIR) .9 5.3 Oxygen by paramagnetism .11 5.4 Hydrogen cyanide. .12 5.5 Hydrogen chloride and hydrogen bromide .18 5.6 Hydrogen fluoride. 25 5.7 Oxides of nitrogen .29 5.8 Acrolein .35 5.9 Formaldehyde 42 5.10 Acetaldehyde .47 5.11 Total aldehydes by colourimetry 48 5.12 Sulfur dioxide by high performance ion chromatography (HPIC) 50 5.13 Carbon disulfide by GC-MS in gas phase. 52 5.14 Hydrogen sulphide .54 5.15 Ammonia.. .57 5.16 coupled plasma emission spectrometry (IcP) 60 5.17 Arsenic compounds by atomic absorption spectrophotometry (AAS) or inductively coupledplasmaemissionspectrometry(IcP) 62 5.18 Phosphorus by inductively coupled plasma emission spectrometry (ICP) 63 5.19 Phosphates 65 5.20 Phenol. 69 5.21 Benzene .72 5.22 Toluene (Methylbenzene) .76 5.23 Styrene (Phenylethene) 80 5.24 Acrylonitrile and other nitriles by GC-MS in gas phase .83 5.25 Formic acid. .86 5.26 Total hydrocarbons by FID. 89 5.27 Isocyanates 68 5.28 Oxygenated organic species. .89 Annex A (informative) Species and measurement techniques currently deemed unsuitable in fireeffluents .90 Annex B (informative) Colour-change chemical detection tubes ..92 Annex C (informative) Quantitative instrumental methods ..93 Annex D (informative) Hydrogen fluoride by continuous online ion selective electrode .107 Bibliography .110 iii se with ISt ted withoutlicensefromIHS Not for Resale