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In the application of DTA and DSC which of the following parameters is measured for the glasses?

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In the application of DTA and DSC which of the following parameters is measured for the glasses?

(a) Concentration of the glass

(b) Solubility of the glass

(c) Cooling temperature

(d) Transition temperature

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This interesting question is from Applications of DTA and TGA topic in division Thermal Analysis of Solid State Chemistry

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Correct option is (d) Transition temperature

Explanation: In the application of DTA and DSC for glass the transition temperature Tg is measured. This appears not as a clear peak but rather as a broad anomaly in the baseline of the DTA curve, and it represents the temperature at which the glass transforms from a rigid solid to a supercooled, albeit very viscous, liquid.

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