Authors:
Yanchun Li Nanjing University of Science and Technology, Nanjing, 210094 Jiangsu Province People’s Republic of China

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Yi Cheng Nanjing University of Science and Technology, Nanjing, 210094 Jiangsu Province People’s Republic of China

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Yinghua Ye Nanjing University of Science and Technology, Nanjing, 210094 Jiangsu Province People’s Republic of China

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Ruiqi Shen Nanjing University of Science and Technology, Nanjing, 210094 Jiangsu Province People’s Republic of China

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Abstract  

The relative errors (e%) in the determination of the activation energy from the slope of the Kissinger straight line ln(β/βTp2) vs. 1/Tp (β is the heating rate) are in-depth discussion. Our work shows that the relative errors is a function containing the factors of xp and Δxp, not only xp (xp = E/RTp, E is the activation energy, Tp is the temperature corresponding to maximum process rate, R is the gas constant). The relative error between Ek and Ep will be smaller with the increase of the value of x and/or with the decrease of the value of Δx. For a set of different heating rates in thermal analysis experiments, the low and close heating rates are proposed from the kinetic theory.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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