ISO/TR TECHNICAL REPORT 19588 First edition 2017-07 Background information and guidance on environmental cyanide analysis Informations et lignes directrices sur I'analyse environnementale ducyanure Reference number ISO/TR 19588:2017(E) International Organization for Standardization ee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02017 mitted without license from IHS IS0/TR 19588:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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. ISOcopyrightoffice 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 Internationai ibrg DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZzRoISQ7 - All rights reserved Not for Resale, 2017/9/27 06:05:39 networking permited withoutlicense from IHS IS0/TR 19588:2017(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. 2 Normative references 3 Terms and definitions ..1 4 Cyanide methods for soil, water, effluents and wastes considered for this document. ..2 5 Summary of cyanide species and degradation products .3 5.1 Main cyanide species .3 5.1.1 Free cyanide .3 5.1.2 Simple (weakly complexed) cyanides .3 5.1.3 Strongly complexed cyanides. ..4 5.2 Cyanide degradation products. .4 5.2.1 Cyanogen halides .4 5.2.2 Thiocyanate (SCN) 4 5.2.3 Organic cyanides ..4 5.2.4 Cyanates (CNO-) 4 5.2.5 Cyanide environmental fate and degradation potential 5 6 Information on cyanide analysis parameters to determine various cyanide species (see also Annex B) .5 6.1 General ..5 6.2 Free cyanide. .6 6.3 Liberatable Cyanide ..6 6.3.1 General 6.3.2 Easily liberatable cyanide (ELC) .6 6.3.3 Free cyanide (or alternatively: easily liberatable cyanide) ..6 6.3.4 Weak acid dissociable (WAD) cyanide .6 6.4 Total cyanide ..6 6.5 Cyanide amenable to chlorination 7 Current ISo/CEN environmental cyanide standards (see also Annex C) 7 7.1 Water ..7 7.1.1 IS06703 7 7.1.2 ISO17690. .7 7.1.3 IS0 14403-1 .8 7.1.4 IS014403-2 .8 7.2 Soil. .9 7.2.1 ISO 11262. .9 7.2.2 ISO 17380. 7.3 Waste (Slurries) 9 7.3.1 CEN/TS 16229 7.4 Concluding remark. ..10 Other national and international cyanide standards, methodologies and guides ..10 8 8.1 General. ..10 8.2 USEPA Method Kelada-01: Kelada automated test methods for total cyanide, acid dissociable cyanide, and thiocyanate, Revision 1.2 (2001). ..10 8.3 USEPA Method 335.4 Determination of total cyanide by semi-automated colorimetry, Revision 1.0 (August 1993) .11 8.4 USEPA Method 9012b Total and amenable cyanide (Automated colorimetric, with off-line distillation), Revision 2 (Nov 2004, Rev 2) 11 8.5 USEPAMethod9010CTotalandamenablecyanide:Distillation(Nov2004,Rev3) ..11 8.6 USGS I-2302/I-4302/I-6302 Cyanide, calorimetric, barbituric acid, automated- segmented flow (1989) .11 iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS IS0/TR 19588:2017(E) 8.7 EPA/0IA-1677-09 Available cyanide by flow injection, ligand exchange, andamperometry 12 8.8 ASTM International methods 12 8.9 The Picric acid method for determining weak acid dissociable (WAD) cyanide .12 8.10 Standard methods for the examination of water and wastewater standard methods 4500-CN- cyanide (1999) 13 8.11 The determination of cyanide and thiocyanate in soils and similar matrices (2011). Methods for the examination of waters and associated materials, standing committee of analysts, 2011 (Method 235) 14 8.12 The determination of cyanide in waters and associated materials (2007) Methods for the Examination of Waters and Associated Materials, Standing Committee of Analysts, 2011 (Method 214), 15 8.13