Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption.
Get more information about the standard at ASTM D1319-20a
ASTM D1319 is a standard test for the determination of the hydrocarbon types in liquid petroleum products. Specifically, this method uses fluorescence indicator adsorption to quantify saturated hydrocarbons, olefins, and aromatic hydrocarbons. It is essential for quality control in fuel production and compliance with regulatory standards. By providing a reliable, straightforward method for analyzing hydrocarbon composition, ASTM D1319 remains an important tool for ensuring fuel quality, optimizing performance, and meeting environmental standards.
Details
ASTM D1319 is widely recognized as an effective method for determining the composition of liquid hydrocarbon products, including gasoline, jet fuel, and diesel. It uses a chromatography column packed with silica gel that is pre-treated with a fluorescent indicator. A sample of the liquid fuel is introduced to the column, and different hydrocarbon types (saturates, olefins, and aromatics) are separated based on their polarity.
While ASTM D1319 is reliable, it has limitations. It may not be suitable for products with high concentrations of oxygenates (e.g., ethanol blends), and modern methods such as gas chromatography are increasingly supplementing or replacing it in some applications.
Industries & Applications
ASTM D1319 is is widely applied in multiple industries:
- Petroleum: Refineries use this method to monitor and control fuel composition during production, ensuring products meet industry and regulatory specifications
- Automotive: Ensures fuels like gasoline and diesel meet performance requirements, including optimal combustion and emissions standards.
- Aviation: Jet fuel quality is assessed using this standard to confirm compliance with stringent aviation fuel regulations
- Regulatory compliance: Government agencies and environmental bodies use ASTM D1319 to verify that fuels comply with environmental limits on aromatic content, which impacts air quality
- Energy research: The standard is applied in research to evaluate the impact of different hydrocarbon compositions on engine performance and emissions