ISO INTERNATIONAL STANDARD 29904 First edition 2013-09-01 Fire chemistry Generation and measurement ofaerosols Chimie de la combustion - Production et mesurage des aerosols Reference number IS0 29904:2013(E) LSO IS02013 HS under ted without license from IHS Not for Resale IS0 29904:2013(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 [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 29904:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms, definitions, symbols and abbreviated terms. .2 3.1 Terms and definitions .2 3.2 Symbols and abbreviated terms. .2 4 Aerosol properties .3 4.1 General. 3 4.2 Movement and evolution of fire aerosol .4 4.3 Measurable properties of aerosols .5 5 Methods of measurement. .11 5.1 Applications 11 5.2 Categories of aerosol measurement .12 5.3 Initial considerations for sampling and analysis of aerosols .19 5.4 Selection of methods. 20 5.5 In situ measurement methods .21 5.6 Extractive measurement methods 27 6 Aerosol measurement metrology .43 6.1 Standard aerosol generators for calibration of instrumentation .43 6.2 Qualification(Verification)ofgenerators .45 6.3 Calibration methods exigencies .46 6.4 Validation.. .47 7 Presentation of results .51 7.1 Calculations. 51 7.2 Measurement report 53 7.3 Uncertainties 53 Annex A (informative) Experimental measurements of Dpp, Npp, Rg, Df and kf ..55 Annex B (informative) Adsorption of combustion gases on particles ..57 Annex C (informative) Inhalation dynamics and toxicity of particles. .60 Annex D (informative) Non-toxicological effects of particles .64 Annex E (informative) Example of report .65 Bibliography. .68 iii se with ISt vithoutlicensefromIHS Not for Resale