October 23, 2019

Honeywell UOP Reintroduces FIA Reagent For ASTM D1319 Fuel Tests

Industry-standard additive is widely used to certify fuel quality

 DES PLAINES, Ill., Oct. 23, 2019 – Honeywell UOP today announced that it has resumed production of fluorescent indicator dyed gel, a reagent used to certify the composition of saturates, olefins and aromatics in fuels. New supplies of the reagent now are commercially available.

The reagent is used in the ASTM 1319 standardized testing method used by fuel producers worldwide to meet U.S Environmental Protection Agency and U.S. Federal Aviation Administration (FAA) requirements. The reagent contains special fluorescent dyes in silica gel to test the composition of a wide range of fuels including jet fuel.

When subjected to fluorescent light, the reagent provides clear visual indicators showing the total volume percentage of saturates, olefins and aromatics in a given sample. The presence of olefins and high concentrations of aromatics can prevent fuels from meeting specifications for use. When added to a sample in a glass column, only a very small amount of the fluorescent indicator dyed gel – about 0.1 of a cubic centimeter – is necessary to conduct the test.

“The advantage of this testing method is that it’s fast, simple, accurate and reliable,” said Maya Nair, senior product marketing manager in UOP’s Lifecycle Solutions & Technologies business. “As a result, testing facilities can certify fuel samples without the need for expensive equipment or without having to send samples to laboratories.”

The ASTM D1319 method was developed more than 60 years ago by the American Society of Testing and Materials – now ASTM International – to certify fuel quality. Using fluorescent indicator adsorption, or FIA, the UOP reagent emerged as the standard reagent to certify fuel quality under D1319. The method also is used to test the composition of gasoline and diesel products.


Honeywell UOP (www.uop.com) is a leading international supplier and licensor of process technology, catalysts, adsorbents, equipment, and consulting services to the petroleum refining, petrochemical, and gas processing industries. Honeywell UOP is part of Honeywell’s Performance Materials and Technologies strategic business group, which also includes Honeywell Process Solutions (www.honeywellprocess.com), a pioneer in automation control, instrumentation and services for the oil and gas, refining, petrochemical, chemical and other industries.

Honeywell (www.honeywell.com) is a Fortune 100 technology company that delivers industry specific solutions that include aerospace products and services; control technologies for buildings and industry; and performance materials globally. Our technologies help everything from aircraft, buildings, manufacturing plants, supply chains, and workers become more connected to make our world smarter, safer, and more sustainable.  For more news and information on Honeywell, please visit www.honeywell.com/newsroom.

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John Simley