The Optimum Reaction Time, Activation Energy and Frequency Factor of Methyl Ricinoleate Nitration

https://doi.org/10.22146/ijc.21323

Abdullah Abdullah(1*), Triyono Triyono(2), Wega Trisunaryanti(3), Winarto Haryadi(4)

(1) Department of Chemistry, Faculty of Mathematic and Natural Sciences, Lambung Mangkurat University
(2) Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Sekip Utara, Yogyakarta 55281
(3) Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Sekip Utara, Yogyakarta 55281
(4) Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Sekip Utara, Yogyakarta 55281
(*) Corresponding Author

Abstract


Determination of the optimum reaction time, activation energy (Ea) and frequency factor (A) of methyl ricinoleate nitration has been done. The nitration was conducted with the mole ratio of methyl ricinoleate to HNO3 of 1:15. The reaction was conducted at temperatures of 29 and 64 °C with a variation of reaction time for 10, 20, 30, 60, 90, 120, and 150 min. Determination of activation energy and frequency factor was performed in a temperature of 29, 33, 38, 44, 49, 57 and 64 °C. The results showed that the optimum reaction time is 90 min. The activation energy (Ea) and frequency factor (A) was 44.5 kJ/mol and 4.780 x 103 sec-1, respectively.

Keywords


optimum reaction time; activation energy; frequency factor; nitration of methyl ricinoleate

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DOI: https://doi.org/10.22146/ijc.21323

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