The New Jersey Institute of Technology's
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Title:	The thermal dehydration of magnesium sulfate hexahydrate (MgSO3.6H2O) and magnesium sulfite trihydrate (MgSO3.3H2O)
Author:	Abdel-Malek, Raafat F.
View Online:	njit-etd1975-007 (43 pages ~ 2.0 MB pdf)
Department:	Department of Chemical Engineering and Chemistry
Degree:	Master of Science
Program:	Chemical Engineering
Document Type:	Thesis
Advisory Committee:	Poetz, Robert G. (Committee member) Kimmel, Howard S. (Committee member) Dauerman, Leonard (Committee chair)
Date:	1975-06
Keywords:	Thermal analysis
Availability:	Unrestricted
Abstract:	The thermal dehydration of MgSO3.3H2O and MgSO3.6H2O have been studied by differential thermal analysis, differential scanning calorimetry and thermal gravimetric analysis. Similar studies by other groups led to contradictory conclusions. In this investigation, these results were reconciled and it was concluded that MgSO3.6H2O, under equilibrium conditions, dehydrates in two steps through the intermediate formation of MgSO3.3H2O. One consequence of this work is the development of a simple analytical procedure, using TGA, for the quantitative determination of both hydrates in mixtures and in the presence of thermally inactive material.