ASTM D4839
Standard Test Method for Total Carbon and Organic Carbon in Water by Ultraviolet, or Persulfate Oxidation, or Both, and Infrared Detection
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About This Item
ASTM D4839 is the ASTM standard for determining total carbon and organic carbon in water using ultraviolet oxidation, persulfate oxidation, or both, followed by infrared detection. It provides a consistent test method for measuring carbon content in water samples where accurate carbon data is important for monitoring, evaluation, and control. By defining a recognized laboratory approach, the standard helps users obtain more comparable results across testing programs and supports dependable technical decision-making.
Purpose of ASTM D4839
The purpose of ASTM D4839 is to establish a clear method for measuring total carbon and organic carbon in water by chemical oxidation and infrared detection. This technical document is used to support repeatable analysis when carbon levels need to be determined with consistency. It is commonly relevant to laboratory testing workflows that require a standardized approach to carbon measurement, helping reduce variation between methods and improving confidence in reported results.
Common use cases of ASTM D4839
ASTM D4839 is commonly used in water analysis settings where total carbon and organic carbon values are needed for testing or monitoring purposes. It may be applied in laboratory quality control, product evaluation, and routine analytical programs involving water samples. The standard is especially useful when laboratories need a recognized method that combines oxidation and infrared detection to support consistent carbon measurement across comparable samples and test conditions.
Why ASTM D4839 matters
This standard matters because carbon measurements in water can influence compliance checks, process control, and analytical reporting. ASTM D4839 helps users follow a defined method rather than relying on ad hoc testing practices, which supports consistency and traceability. For organizations that compare results over time or across laboratories, the standard can reduce ambiguity and improve confidence in procurement, performance review, and quality control decisions tied to water testing.
- Total carbon and organic carbon testing in water
- Ultraviolet and persulfate oxidation approaches
- Infrared detection-based analysis
- Laboratory consistency and repeatability
- Quality control and comparative evaluation
- Publication Date: 2024-04-26
- Publisher: ASTM
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