ASTM-D4282 2010

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D4282-02(2010) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion

Published By	Publication Date	Number of Pages
ASTM	2010	6

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Categories: 13.060.50 - Examination of water for chemical substances, ASTM

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Description

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 ? g/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.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Interferences Apparatus Reagents FIG. 1
3	Hazards Sampling and Sample Preservation Calibration Procedure FIG. 2
4	FIG. 3
5	Calculation Precision and Bias Quality Assurance / Quality Control TABLE 1
6	Keywords

Additional information

Standard Title	D4282-02(2010) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
Published Code	ASTM
Publication Date	2010
Pages Count	6
ICS Codes	13.060.50 - Examination of water for chemical substances

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ASTM-D4282 2010

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