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Dynamic Scanning Calorimeter

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Copyright: Lab D. Kobertz ©

The Differential Scanning Calorimeter "Pegasus" consists of a computer-based data acquisition, a control unit for precise furnace temperature and a platinum-rhodium meander heater.

Heating rates up to 100 K/min are possible, but in practice a rate of 20 K/min is usually used. The vacuum leakproof construction of the furnace admits measurements under inert gas, air, nitrogen and some corrosive gases.  

For the determination of the specific heat a purpose-built sample holder for temperatures up to 1750 K is used.

A precise adjustment of the specimen holder with the sample pans enables reproducible processing of the 3 essential measurements of the base-line, the reference (saphire), and the sample.