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ASTM D6696-16(2023)

Current Reaffirmation

Standard Guide for Understanding Cyanide Species

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1.1 This guide defines guidance based on a consensus of viewpoints for interpretation of test results to identify various chemical forms of cyanide. It is intended to provide a general understanding of the chemical nature of distinct cyanide species as related to chemical analysis and environmental fate and transport.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 This guide provides standard terminology for use in identifying and describing the different chemical forms of cyanide. The complex nature of cyanide chemistry, existence of numerous distinct chemical forms as well as the various regulatory distinctions that may be made can lead to confusion in technical discussions on cyanide and in the selection of appropriate methods for its analysis. This guide is intended to provide clarification and a common framework of terms and definitions to facilitate discussions and referencing different cyanide chemical species and groups of cyanide compounds.

4.2 The use of such common terminology is particularly important from an environmental perspective because certain forms of cyanide are considered to be toxic. Therefore, their release into the environment is regulated by federal and state agencies. Thus a general understanding of cyanide chemistry and species definitions is needed for proper wastewater management and testing.

SDO ASTM: ASTM International
Document Number D6696
Publication Date Nov. 15, 2023
Language en - English
Page Count 6
Revision Level 16(2023)
Supercedes
Committee D19.06
Publish Date Document Id Type View
April 1, 2016 D6696-16 Revision
Jan. 1, 2014 D6696-14 Revision
June 1, 2010 D6696-10 Revision
July 1, 2005 D6696-05E01 Revision
July 1, 2005 D6696-05 Revision
July 10, 2001 D6696-01 Revision
Nov. 15, 2023 D6696-16R23 Reaffirmation