pentane insolubles

pentane insolubles

[′pen‚tān in′säl·yə·bəlz]
(analytical chemistry)
Insoluble matter that can be separated from used lubricating oil in solution in n-pentane; may include resinous bitumens produced from the oxidation of oil and fuel; used in an American Society for Testing and Material test.
References in periodicals archive ?
A Pentane Insolubles test will determine quantitatively the amount of foreign particles exceeding 0.