TY  - JOUR
T1  - Thermal kinetics and thermodynamics of the dehydration reaction of Mg3(PO4)2·22H2O
AU  - Şenberber, Fatma Tuğçe
AU  - Möröydor Derun, Emek
PY  - 2019
DA  - December
Y2  - 2019
JF  - Eurasian Journal of Biological and Chemical Sciences
JO  - Eurasian J. Bio. Chem. Sci.
PB  - Muhammet DOĞAN
WT  - DergiPark
SN  - 2651-5237
SP  - 47
EP  - 51
VL  - 2
IS  - 2
LA  - en
AB  - Mg3(PO4)2·22H2Olost its crystal water in the temperature range of 40 - 200°C and the calcinedsample was identified as Mg3(PO4)2, was anotable for its further treatments in optical and electrical applications.Dehydration process was studied using non-isothermal thermogravimetry (TG)applying model-fitting method. Different mechanism models (chemical reactionorder, diffusion and phase interfacial reaction) were applied. The activationenergies calculated for the dehydration reaction; and average of activationenergy was found as 160 kJ/mol. Thebetter kinetic model of the dehydration reaction for Mg3(PO4)2·22H2Owas selected as F3 (chemical reaction - third order). The thermodynamicfunctions (ΔH, ΔG and ΔS) of the dehydration reaction were calculated by theactivated complex theory and found that the process was endothermic,non-spontaneous and fast.
KW  - Magnesium phosphate
KW  - decomposition kinetic
KW  - thermal behaviour
KW  - thermodynamic
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UR  - https://dergipark.org.tr/en/pub/ejbcs/issue//596587
L1  - https://dergipark.org.tr/en/download/article-file/794539
ER  -