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ASTM D4282

Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion

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Organization: ASTM
Publication Date: 10 July 2002
Status: inactive
Page Count: 6
ICS Code (Examination of water for chemical substances): 13.060.50
scope:

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

This test method does not include complexes that resist dissociation, such as hexacyanoferrates and gold cyanide, nor does it include thiocyanate and cyanohydrin.

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.

This test method has been fully validated by collaborative testing as specified by Practice D2777.

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

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 and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements,

Document History

July 15, 2015
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
ASTM D4282
July 10, 2002
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
July 10, 2002
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
July 10, 2002
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
September 10, 1995
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
Scope 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...
January 1, 1995
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
1. 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,...
August 25, 1989
STANDARD TEST METHOD FOR DETERMINATION OF FREE CYANIDE IN WATER AND WASTEWATER BY MICRODIFFUSION (R 1994) (E1-1994)
A description is not available for this item.
October 26, 1983
STANDARD TEST METHOD FOR DETERMINATION OF FREE CYANIDE IN WATER AND WASTEWATER BY MICRODIFFUSION
A description is not available for this item.

References

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