BS IS0 20950-1:2018 BSl Standards Publication Water quality Determination of available weak and dissociable (WAD) cyanide Part 1: Method using ligand exchange, flow injection analysis (FIA),gas-diffusion and amperometric detection bsi. BSIS0 20950-1:2018 BRITISH STANDARD Nationalforeword ThisBritish Standard is theUKimplementationofIS020950-1:2018 The UK participation in its preparation was entrusted to Technical CommitteeEH/3/2,Physical chemical andbiochemicalmethods Alistof organizations represented onthis committeecanbe obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @TheBritishStandardsInstitution2018 Published byBSI Standards Limited 2018 ISBN9780580938351 ICS13.060.50 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policyand Strategy Committeeon31May2018. Amendments/corrigendaissued since publication Date Textaffected BS IS020950-1:2018 INTERNATIONAL ISO STANDARD 20950-1 First edition 2018-05-30 Water quality Determination of available weak and dissociable (WAD) cyanide Part 1: Method using ligand exchange, flow injection analysis (FIA), gas-diffusion and amperometric detection Qualité de Il'eau - Détermination du cyanure a acide faible dissociable (WAD) disponible- Partie1:Méthodepar échangede ligand, analyse parinjection en flux (FIA),diffusiongazeuseetdétectionampérométrique Reference number IS0 20950-1:2018(E) ISO @ IS0 2018