ASTM D3948
Standard Test Method for Determining Water Separation Characteristics of Aviation Turbine Fuels by Portable Separometer
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About This Item
ASTM D3948 is a technical standard for determining the water separation characteristics of aviation turbine fuels by portable separometer. It provides a consistent test approach for evaluating how well a fuel separates from water under controlled conditions, which is important for handling, quality control, and product assessment. For aviation fuel users and laboratories, this standard helps support more reliable comparisons between fuel samples and more informed decisions about fuel performance.
Purpose of ASTM D3948
The purpose of ASTM D3948 is to define a standard test method for measuring water separation behavior in aviation turbine fuels using a portable separometer. This helps establish a repeatable way to assess how a fuel sample responds when water is present, which is a practical concern in fuel testing and evaluation. As an ASTM standard, it supports common testing practices and helps align results across laboratories, facilities, and procurement specifications.
Common use cases of ASTM D3948
ASTM D3948 is commonly used in fuel quality control, incoming inspection, and routine laboratory testing of aviation turbine fuels. It may be applied when evaluating fuel lots, monitoring handling effects, or checking whether a sample meets expected separation performance characteristics. The portable separometer method is especially useful where a standardized, field-ready approach is needed for comparing results across test locations and supporting operational decisions.
Why ASTM D3948 matters
This standard matters because water separation performance is a practical indicator in aviation turbine fuel evaluation. Using ASTM D3948 helps improve consistency in testing, supports compliance with technical requirements, and reduces uncertainty when comparing fuel samples. It can also aid procurement and acceptance decisions by providing a recognized method for quality control. In environments where fuel reliability is important, standardized test results help manage risk and support better documentation.
- Water separation characteristics
- Portable separometer testing
- Aviation turbine fuel evaluation
- Quality control and acceptance checks
- Standardized laboratory comparison
- Publication Date: 2022-11-17
- Publisher: ASTM
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