ASTM D4282
Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
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About This Item
ASTM D4282 is the ASTM standard titled Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion. It provides a defined laboratory approach for measuring free cyanide in aqueous samples, supporting consistent analytical results where cyanide monitoring is needed. By focusing on a specific test method, this standard helps users compare data more reliably, support compliance work, and apply a recognized procedure in water and wastewater testing programs.
Purpose of ASTM D4282
The purpose of ASTM D4282 is to describe a standardized microdiffusion test method for determining free cyanide in water and wastewater. As an ASTM standard, it gives laboratories and technical users a common reference for performing the analysis in a controlled and repeatable way. This is especially useful when accurate identification of free cyanide is needed for monitoring, reporting, or verification tasks. The method title indicates a clear focus on analytical measurement rather than broad treatment guidance.
Common use cases of ASTM D4282
This standard is commonly used in laboratory settings that test water and wastewater samples for free cyanide content. It may support routine environmental monitoring, regulatory analysis, plant process oversight, and quality control work where cyanide measurement is relevant. Because the method is based on microdiffusion, it is typically associated with analytical workflows that require careful sample handling and consistent test execution. ASTM D4282 is also useful when organizations need a recognized method for comparing results across locations or test runs.
Why ASTM D4282 matters
ASTM D4282 matters because a standardized test method helps improve consistency, traceability, and confidence in cyanide results. For organizations that evaluate water or wastewater quality, using a recognized ASTM standard can support compliance efforts, procurement requirements, and internal quality systems. It may also reduce ambiguity when different labs or teams are involved in testing. In practice, ASTM D4282 helps users apply a common technical procedure instead of relying on informal or varying methods.
- Free cyanide determination in aqueous samples
- Microdiffusion-based analytical procedure
- Water and wastewater testing reference
- Supports repeatable lab results
- Useful for compliance and quality control
- Publication Date: 2022-05-13
- Publisher: ASTM
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