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ASTM International - ASTM D4282-02(2010)

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

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Organization: ASTM International
Publication Date: 15 June 2010
Status: inactive
Page Count: 6
ICS Code (Examination of water for chemical substances): 13.060.50
significance And Use:

This test method is useful in distinguishing between the potentially available free cyanide (total cyanide) and the free cyanide actually present.

This test method provides a convenient... View More

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.

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 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, see 8.6, 8.9, Section 9, and 12.2.1.

Document History

July 15, 2015
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
February 1, 2015
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
ASTM D4282-02(2010)
June 15, 2010
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
July 10, 2002
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
January 1, 2001
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
January 1, 2001
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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...
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