modified Arrhenius equation 

https://doi.org/10.1351/goldbook.M03963
This is an extension of the simple Arrhenius equation in which the pre-exponential factor is proportional to Tn where T is the temperature and n a constant: k=B Tn exp⁡(−Ea/RT) B is a temperature-independent constant.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 174 [Terms] [Paper]
Citation: 'modified Arrhenius equation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M03963 RIS BibTex EndNote
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Last revised: February 24, 2014