ASTM_D_7728_-_18.pdf

Designation:D772818Standard Guide forSelection of ASTM Analytical Methods for Implementation ofInternational Cyanide Management Code Guidance1This standard is issued under the fixed designation D7728;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide is applicable for the selection of appropriateASTM standard analytical methods for metallurgical process-ing sites to conform to International Cyanide ManagementCode guidance for the analysis of cyanide bearing solutions.1.2 The analytical methods in this guide are recommendedfor the sampling preservation and analysis of total cyanide,available cyanide,weak acid dissociable cyanide,and freecyanide by Test Methods D2036,D4282,D4374,D6888,D6994,D7237,D7284,and D7511.1.3The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1129 Terminology Relating to WaterD1193 Specification for Reagent WaterD1976 Test Method for Elements in Water by Inductively-Coupled Argon Plasma Atomic Emission SpectroscopyD2036 Test Methods for Cyanides in WaterD3694 Practices for Preparation of Sample Containers andfor Preservation of Organic ConstituentsD3856 Guide for Management Systems in LaboratoriesEngaged in Analysis of WaterD4282 Test Method for Determination of Free Cyanide inWater and Wastewater by MicrodiffusionD4374 Test Methods for Cyanides in WaterAutomatedMethods for Total Cyanide,Weak Acid DissociableCyanide,and Thiocyanate(Withdrawn 2012)3D4840 Guide for Sample Chain-of-Custody ProceduresD4841 Practice for Estimation of Holding Time for WaterSamples Containing Organic and Inorganic ConstituentsD6888 Test Method for Available Cyanides with LigandDisplacement and Flow InjectionAnalysis(FIA)UtilizingGas Diffusion Separation and Amperometric DetectionD6994 Test Method for Determination of Metal CyanideComplexes in Wastewater,Surface Water,Groundwaterand Drinking Water Using Anion Exchange Chromatog-raphy with UV DetectionD6696 Guide for Understanding Cyanide SpeciesD7237 Test Method for Free Cyanide and Aquatic FreeCyanide with Flow InjectionAnalysis(FIA)Utilizing GasDiffusion Separation and Amperometric DetectionD7284 Test Method for Total Cyanide in Water by MicroDistillation followed by Flow Injection Analysis with GasDiffusion Separation and Amperometric DetectionD7365 Practice for Sampling,Preservation and MitigatingInterferences in Water Samples for Analysis of CyanideD7511 Test Method for Total Cyanide by Segmented FlowInjection Analysis,In-Line Ultraviolet Digestion and Am-perometric DetectionD7572 Guide for Recovery of Aqueous Cyanides by Extrac-tion from Mine Rock and Soil2.2 ISO Standard:4ISO 17690:2015 Water QualityDetermination ofAvailableFree Cyanide(pH 6)Using Flow InjectionAnalysis(FIA),Gas Diffusion,and Amperometric Detection1This guide is under the jurisdiction of ASTM Committee D19 on Water and isthe direct responsibility of Subcommittee D19.06 on Methods for Analysis forOrganic Substances in Water.Current edition approved July 15,2018.Published July 2018.Originallyapproved in 2011.Last previous edition approved in 2011 as D7728 11.DOI:10.1520/D7728-18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from International Organization for Standardization(ISO),ISOCentral Secretariat,BIBC II,Chemin de Blandonnet 8,CP 401,1214 Vernier,Geneva,Switzerland,http:/www.iso.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 2.3 Other References:International C