ISO INTERNATIONAL STANDARD 17183 First edition 2016-04-01 Soil quality Screening soils for isopropanol-extractable organic compounds by determining emulsification index by light attenuation Qualite du sol - Analyse rapide des sols pour les composés organiques extractibles a I'isopropanol en déterminant I'indice d'émulsification par I'atténuation de la lumiere Reference number AX ISO 17183:2016(E) ISO International Organization for Standardization ZHEJIANG INSTOFSTANDARDIZATION C15956617 @IS02016 vided by IHS under Not for Resale, 2016/7/20 02:48:20 ted without license from IHS IS0 17183:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,PublishedinSwitzerland 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 Intenationaibr Prganization for Standardization icensee-ZHEJIANG INST OF STANDARDIZoISQ s.6 - All rights reserved etworking permitted without license from IHS IS0 17183:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..2 4 Principle .2 4.1 General .2 4.2 Interferences orothersurfactants .2 5 Reagents. ..2 6 Apparatus. .2 7 Procedure .3 7.1 Calibration .3 7.2 Sample preparation .3 7.3 Measurement .3 7.4 Calculation. ..4 7.5 Report 4 8 Quality assurance (QA) and quality control (QC) ..4 9 Test report .4 Annex A (informative) Examples of turbidity indexes for various kinds of organic compounds. ..6 Annex B (normative) Schematic procedure of the method and its analytical conditions 7 Annex C (informative) Results on an interlaboratorytest for determination of an emulsification index by light attenuation to screen soils for isopropanol- extractable organic compounds 8 Bibliography .11 iii =ZHEJIANG INSTOF STANDARDIZATION C15956617 thout license from IHS