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  • ASTM
    D4282-02(2010) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
    Edition: 2010
    $144.00
    Unlimited Users per year

Description of ASTM-D4282 2010

ASTM D4282 - 02(2010)

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

Active Standard ASTM D4282 | Developed by Subcommittee: D19.06

Book of Standards Volume: 11.02




ASTM D4282

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 technique for making on-site free cyanide determinations.

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, 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.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D1129 Terminology Relating to Water

D1192 Guide for Equipment for Sampling Water and Steam in Closed Conduits

D1193 Specification for Reagent Water

D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water

D3370 Practices for Sampling Water from Closed Conduits

D3856 Guide for Management Systems in Laboratories Engaged in Analysis of Water

D4210 Practice for Intralaboratory Quality Control Procedures and a Discussion on Reporting Low-Level Data

D5788 Guide for Spiking Organics into Aqueous Samples

D5789 Practice for Writing Quality Control Specifications for Standard Test Methods for Organic Constituents

D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis

E275 Practice for Describing and Measuring Performance of Ultraviolet and Visible Spectrophotometers


Keywords

free cyanide; hexacyanoferrate; instability; microdiffusion; micropipet; pyridine-barbaturic acid; spectrophotometer; wastewater; Pyridine-barbaturic acid; Spectrophotometry; Wastewater testing/treatment; Cyanides; Diffusion; Free cyanide; Hexacyanoferrate; Instability; Microdiffusion process; Organic compounds--water;


ICS Code

ICS Number Code 13.060.50 (Examination of water for chemical substances)


DOI: 10.1520/D4282-02R10

ASTM International is a member of CrossRef.

ASTM D4282



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