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Storage Stability of Gasoline. Development of a Stability Prediction Method and Studies of Gasoline Composition and Component Reactivity.
Schwartz-FG; Whisman-ML; Allbright-CS; Ward-CC
NTIS: PB 212 555 :58 pages
The Bureau of Mines developed a rapid and precise method for predicting the storage stability of motor gasolines. This method resulted from the investigation of many analytical techniques as well as a study of fuel composition and fuel component gum-forming mechanisms. The first section of this bulletin discusses the development of the prediction test through its several phases, including revision of the standard 110 deg. F storage test; attempts to develop a modification of the ASTM d525 induction bomb test; and the ultimate abandonment of this procedure with the adoption of the 16-hour oven test that was both precise and rapid. The second section comprises a discussion of further studies of fuel composition, including the reactivity of certain sulfur compounds and hydrocarbons to form gum. The compositions of various gums and inorganic deposits are reported in terms of elemental analysis and spectroscopic examinations. The reactions of tetraethyllead with selected hydrocarbons are also reported.
NTIS Accession No.
NTIS: PB 212 555
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division