ASTM D8247

ASTM D8247 is the ASTM standard for determining total fluorine and total chlorine in coal using oxidative pyrohydrolytic combustion followed by ion chromatography detection. It provides a structured approach for measuring these halogens in coal, supporting more consistent laboratory results for testing, quality control, and materials evaluation. By defining a clear analytical pathway, the standard helps users compare data with greater confidence and apply the results in technical and compliance-related workflows.

Purpose of ASTM D8247

The purpose of ASTM D8247 is to describe a test method for quantifying total fluorine and total chlorine in coal. The method title indicates two key stages: oxidative pyrohydrolytic combustion to release the halogens from the coal matrix, followed by ion chromatography detection for measurement. This type of standardized procedure is important because it helps laboratories use a common analytical framework, which generally improves repeatability, traceability, and the usefulness of test results across different settings.

Common use cases of ASTM D8247

ASTM D8247 is commonly used in laboratory testing of coal samples where total fluorine and total chlorine data are needed for evaluation, reporting, or quality control. It may be applied in routine analytical workflows, incoming material checks, or research and development programs focused on coal characterization. The standard is especially relevant where ion chromatography is used as the detection technique and where consistent handling of combustion-based sample preparation is important for reliable results.

Why ASTM D8247 matters

ASTM D8247 matters because it supports standardized measurement of two elements that can be important in coal assessment. Using a recognized ASTM method helps reduce variation between laboratories and improves the credibility of reported results. For procurement, compliance, and technical review, a defined test method can make it easier to compare data, document performance, and manage risk. In practice, that consistency is valuable when coal quality information must be dependable and defensible.

• Total fluorine determination in coal
• Total chlorine determination in coal
• Oxidative pyrohydrolytic combustion step
• Ion chromatography detection
• Standardized laboratory reporting