ASTM D6317

ASTM D6317 is a standard test method for the low level determination of total carbon, inorganic carbon, and organic carbon in water using ultraviolet oxidation, persulfate oxidation, and membrane conductivity detection. It provides a defined approach for measuring carbon fractions at low concentrations, which can be important for water analysis, method consistency, and result comparability. For laboratories and quality-focused users, ASTM D6317 supports a more reliable technical basis for routine testing and evaluation.

Overview of ASTM D6317

This ASTM standard describes a test method centered on carbon measurement in water, with emphasis on total carbon, inorganic carbon, and organic carbon at low levels. The title indicates the use of ultraviolet and persulfate oxidation followed by membrane conductivity detection, which places the method in the analytical testing category rather than a materials specification. ASTM D6317 is typically relevant when a documented, standardized procedure is needed for consistent carbon determination and controlled laboratory reporting.

Common use cases of ASTM D6317

ASTM D6317 is commonly used in water testing workflows where low concentration carbon measurement matters, such as laboratory analysis of purified water, process water, or other water samples requiring carbon fraction evaluation. It may be selected for quality control, method validation, or compliance-oriented testing when a standardized test method is preferred. The standard is especially useful when laboratories need a repeatable approach for distinguishing total, inorganic, and organic carbon in water.

Benefits of using ASTM D6317

Using ASTM D6317 helps support consistent laboratory practice by defining a recognized test method for low level carbon determination in water. That can improve comparability between test results, strengthen internal quality control, and reduce uncertainty in procurement or product evaluation decisions. For organizations that rely on carbon measurements to monitor water quality, this ASTM standard provides a practical technical reference for standardized analysis and documented performance expectations.

• Low level carbon determination in water
• Total, inorganic, and organic carbon analysis
• Ultraviolet and persulfate oxidation method
• Membrane conductivity detection approach
• Standardized laboratory testing reference