ASTM D8083

ASTM D8083 is a test method for determining total nitrogen and total Kjeldahl nitrogen (TKN) by calculation in water using high temperature catalytic combustion and chemiluminescence detection. It provides a standardized approach for measuring nitrogen-related parameters that are often important in water analysis, monitoring, and reporting. By defining a consistent method, this standard helps support comparable results across laboratories and improves confidence in routine analytical work.

ASTM D8083 standard overview

This ASTM standard focuses on the measurement of nitrogen in water through combustion-based analysis followed by chemiluminescence detection. The title indicates that total nitrogen is determined, and total Kjeldahl nitrogen is obtained by calculation from the measured values. In practical terms, ASTM D8083 serves as a technical reference for laboratories that need a clear, repeatable method for nitrogen testing in water matrices. It is especially relevant where consistency, method alignment, and documented analytical procedures are important.

Where is ASTM D8083 used?

ASTM D8083 is commonly used in water testing workflows where nitrogen content must be measured with a standardized laboratory method. It is suited to analytical settings that rely on high temperature catalytic combustion equipment and chemiluminescence detectors. Typical use may include environmental, process, or quality-control laboratories handling water samples that need nitrogen-related reporting. The standard supports organizations that need a defined method for comparison, verification, or regulatory-style documentation.

Practical importance of ASTM D8083

The practical value of ASTM D8083 lies in its ability to promote consistent nitrogen measurements and support dependable laboratory reporting. A standardized test method can reduce ambiguity in procurement, method selection, and internal quality control. It also helps laboratories align testing practices when total nitrogen or TKN by calculation must be documented in a repeatable way. For organizations managing water analysis programs, this standard can contribute to better comparability and lower testing risk.

• Water nitrogen analysis
• High temperature catalytic combustion
• Chemiluminescence detection
• Total nitrogen reporting
• TKN by calculation