ISO/TR TECHNICAL REPORT 18105 First edition 2014-05-15 Soil quality Detection of water soluble chromium(VI) using a ready to-use test-kit method Qualite du sol - Détection du chrome(VI) soluble dans I'eau en utilisant un kit d'essai pret a I'emploi Reference number IS0/TR 18105:2014(E) ISO @IS02014 Not for Resale IS0/TR 18105:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2014 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 2014 - All rights reserved or networking permited without license from IHS Not for Resale IS0/TR 18105:2014(E) Contents Page Foreword .iv Introduction. ..V 1 Scope. ..1 2 References 3 Terms and definitions 4 Principle ..1 5 Reagents. ..2 6 Interferences 7 Apparatus. .2 8 Procedure .2 8.1 Calibration . 2 8.2 Sampledetection 2 8.3 Measurement .2 9 Quality assurance (QA) and quality control (QC) ..3 10 Test report ..3 Annex A (informative) Extraction of Cr(VI) from soil CRMs. ..4 Annex B (informative) Comparison of Cr(vl) results obtained with commercially available test-kits. 7 Annex C (informative) Simulation of mapping distributions of Cr(VI) contaminating potential land 8 Bibliography .14 iii thout license from IHS Not for Resale