ASTM D4282-15(2022) PDF

Scope: 1.1 This test method covers the determination of free cyanides in waters and wastewaters. Free cyanide is here defined as the cyanide which diffuses as cyanide (HCN), at room temperature, from a solution at pH 6.2 1.2 This test method does not include complexes that resist dissociation, such as hexacyanoferrates and gold cyanide, nor does it include thiocyanate and cyanohydrin. 1.3 This test method may be applied to water and wastewater samples containing free cyanide from 10 to 150 µg/L. Greater concentrations may be determined by appropriate dilution. 1.4 This test method has been fully validated by collaborative testing as specified by Practice D2777. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see 8.6, 8.9, Section 9, and 12.2.1. 1.7 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.

ASTM D4282-15(2022) Referenced Document

ASTM D1129 Standard Terminology Relating to Water
ASTM D1192 Standard Guide for Equipment for Sampling Water and Steam in Closed Conduits
ASTM D1193 Standard Specification for Reagent Water
ASTM D2777 Standard Practice for Determination of Precision and Bias of Applicable Methods of Committee D-19 on Water
ASTM D3370 Standard Practices for Sampling Water from Closed Conduits
ASTM D3856 Standard Guide for Good Laboratory Practices in Laboratories Engaged in Sampling and Analysis of Water
ASTM D4210 Standard Practice for Intralaboratory Quality Control Procedures and a Discussion on Reporting Low-Level Data
ASTM D5788 Standard Guide for Spiking Organics into Aqueous Samples
ASTM D5789 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Organic Constituents
ASTM D5847 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
ASTM E275 Standard Practice for Describing and Measuring Performance of Ultraviolet, Visible, and Near-Infrared Spectrophotometers

2022 ASTM D4282-15(2022) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
2015 ASTM D4282-15 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
2002 ASTM D4282-02(2015) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
2002 ASTM D4282-02(2010) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
2002 ASTM D4282-02 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
2001 ASTM D4282-95(2001) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
2001 ASTM D4282-95 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion