Thermogravimetric analysis solid-state decompositions

On thermal decomposition of 1, l,2,2,3,3,4,6,7,8,9-undecachloro-l, 2-dihydro-3i/-phenothiazine (25) the free radical octachloropheno-thiazinyl (26) has been obtained in the solid state by Bodea and Silberg. ° Thermogravimetric and elemental analysis data confirm the following reaction ... 

Pyrolysis of ammonia-borane is a complex process, and the products of the decomposition reaction markedly depend on the conditions employed. Furthermore, the initial process is a solid-state reaction for which the onset of decomposition is a function of heating rate of the substrate (P). In thermogravimetric analyzer-Fourier transform infrared (TGA-FTIR) and thermogravimetric analyzer-differential scanning (TGA-DSC) analysis, heating a borazane sample to 90°C at a rate of 0.5°C/ min and then holding it at that temperature for 200 min resulted in a loss of about 10.2% of initial... 

Thermogravimetry (TG) is the most widely used technique of thermal analysis, in which the mass of a substance is measured as a function of the temperature while it is subjected to a controlled temperature program. The record on the thermogravimetric, or TG, curve is the mass plotted against the temperature (T) or time (f) if the variation of temperature with time can be indicated as well on the same graph. In solid-state decomposition reactions, the reactant material degrades, often to be replaced by the solid product. An example of this is the decomposition of limestone to quicklime. 

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