ASTM D7861
Standard Test Method for Determination of Fatty Acid Methyl Esters (FAME) in Diesel Fuel by Linear Variable Filter (LVF) Array Based Mid-Infrared Spectroscopy
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About This Item
ASTM D7861 is the standard test method for determining fatty acid methyl esters (FAME) in diesel fuel by linear variable filter (LVF) array based mid-infrared spectroscopy. It provides a defined approach for measuring biodiesel-related ester content in diesel fuel, helping users evaluate fuel composition with a consistent analytical method. As a technical ASTM standard, it supports more reliable testing, comparison, and quality control when FAME content needs to be assessed for compliance or product verification.
ASTM D7861 standard overview
The ASTM D7861 standard sets out a test method centered on mid-infrared spectroscopy using an LVF array configuration. Its purpose is to determine FAME content in diesel fuel in a controlled and repeatable way. Because the title identifies both the analyte and the measurement technique, the standard is especially relevant to laboratories and fuel evaluators that need an established method for spectral analysis. ASTM D7861 helps define a common technical basis for generating comparable results across testing programs.
Where is ASTM D7861 used?
This standard is commonly used in fuel testing environments where diesel fuel composition must be checked for fatty acid methyl ester content. It is relevant to laboratory workflows that use mid-infrared spectroscopy and analytical instruments designed for spectral measurement. ASTM D7861 may also be used in quality assurance settings, product certification work, and procurement-related testing where diesel fuel specifications or blending checks depend on confirming the presence of FAME.
Practical importance of ASTM D7861
ASTM D7861 matters because it gives organizations a recognized method for evaluating FAME in diesel fuel with greater consistency. That can support compliance efforts, reduce ambiguity in product testing, and improve confidence in fuel quality decisions. For suppliers, laboratories, and buyers, the standard helps align testing practices and makes results easier to compare. Using ASTM D7861 can also support risk reduction when fuel performance or specification conformance depends on accurate ester content measurement.
- Diesel fuel FAME measurement
- LVF array mid-infrared spectroscopy
- Laboratory test method consistency
- Quality control and compliance support
- Fuel analysis and verification
- Publication Date: 2024-05-23
- Publisher: ASTM
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