ISO/TS TECHNICAL SPECIFICATION 16727 First edition 2013-09-15 Corrected version 2013-10-01 Soil quality Determination of mercury Cold vapour atomic fluorescence spectrometry (CVAFS) Qualite du sol - Dosage du mercure Spectrométrie de fluorescence atomique a vapeur froide (CVAFS) Reference number IS0/TS 16727:2013(E) ISO Copyright intematioal Organization for Standardizatin @IS02013 HS under I Not for Resale IS0/TS 16727:2013(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 or networking permited without license from IHS Not for Resale IS0/TS 16727:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Principle 4 Interferences ..1 5 Reagents ..2 6 Apparatus ..3 6.1 Usual laboratory apparatus .3 6.2 Atomic fluorescence spectrometer (AFS) .3 6.3 Automated sample introduction system .3 7 Procedure ..4 7.1 Test sample solution .4 7.2 Test blank solution. .4 7.3 Preparation of the calibration solutions 7.4 Calibration .4 7.5 Measurement of test sample ..4 8 Calculation and expression of results 8.1 Calculation .5 8.2 Expression of results 5 9 Test report ..5 Bibliography ii ded by IHS under lic cense with ISt thout license from IHS Not for Resale