ASTM D7619
Standard Test Method for Sizing and Counting Particles in Light and Middle Distillate Fuels, by Automatic Particle Counter
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About This Item
ASTM D7619 is the standard test method for sizing and counting particles in light and middle distillate fuels by automatic particle counter. It provides a structured way to assess particulate contamination in these fuel types, helping users compare results consistently across testing programs. For laboratories, fuel suppliers, and quality-focused operations, the standard supports more reliable evaluation of fuel cleanliness and can help inform handling, storage, and acceptance decisions.
Purpose of ASTM D7619
The purpose of ASTM D7619 is to define a repeatable test method for measuring both the size and number of particles present in light and middle distillate fuels using an automatic particle counter. By standardizing how particle contamination is detected and reported, the method helps reduce variation between tests and users. This makes ASTM D7619 useful when consistent data is needed for product evaluation, quality control, or specification-related testing.
Common use cases of ASTM D7619
This standard is commonly used in fuel testing environments where particulate cleanliness is important, especially for light and middle distillate fuels. It may be applied by laboratories, refiners, distributors, and other fuel-handling operations that need objective particle counts from an automated instrument. ASTM D7619 is also relevant in workflows that compare incoming fuel quality, monitor contamination during storage or transfer, or support routine testing and documentation.
Why ASTM D7619 matters
ASTM D7619 matters because particle contamination can affect fuel quality, handling confidence, and downstream performance assessment. A standardized automatic counting method helps support consistent results for compliance checks, procurement decisions, and internal quality control. Using a recognized ASTM standard also improves comparability between facilities and test reports, which can reduce ambiguity when evaluating fuel cleanliness or investigating contamination concerns.
- Automatic particle counting method
- Light and middle distillate fuels
- Particle size and count measurement
- Quality control and cleanliness evaluation
- Publication Date: 2022-05-26
- Publisher: ASTM
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