acid heat test

noun

: a test used in petroleum refining for indicating the amount of unsaturated hydrocarbons in gasoline and performed by noting the increase in temperature caused by adding one volume of 93 percent sulfuric acid to five volumes of gasoline in a Dewar flask

Word History

First Known Use

1917, in the meaning defined above

Time Traveler
The first known use of acid heat test was in 1917

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Cite this Entry

“Acid heat test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20heat%20test. Accessed 14 Dec. 2024.

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