Indicator Tubes for Determining Anti-Knock Additives in Automotive Gasolines
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We have found chromogenic indicator reactions to test for anti-knock additives to gasolines: ferrocene, cymantrene, and N-methylaniline. Based on these reactions, we have developed methods for fast determination of the indicated additives in automotive gasolines using indicator tubes. The range of analyte contents are: 10–200 mg/dm3 ferrocene, 10–150 mg/dm3 cymantrene, 0.1–1.5 wt.% N-methylaniline.
Key wordsanti-knock additive gasoline indicator tube
We thank Prof. A. N. Pankratov, N. G. Chernyshevskii Saratov State University, for his advice.