SIMULTANEOUS THERMAL ANALYZER (STA)
The basis of thermogravimetric analysis (TG) is based on the determination of the mass changes occurring as a function of temperature or time in the sample being examined while applying a temperature program to the sample. Mass change in sample; It may also be the result of decomposition or oxidation reactions, as well as the separation of the components in the sample from the structure by evaporation. During the temperature program applied to the sample, differential thermal analysis (DTA) is performed by determining the temperature difference between the sample and a standard reference in the same environment as the sample. With DTA, changes in state or energy changes from chemical reactions can be determined.
Simultaneous thermal analyzer can apply more than one thermal analysis technique to the sample simultaneously. With the STA device within ARUM, the desired temperature program can be applied to the temperature of 1600 ° C from the sample and simultaneous TG and DTA data as well as DSC data can be obtained. Since the system is mainly designed as a very sensitive scale (scale accuracy ± 0,02%), very accurate quantitative results can be obtained as a result of the temperature program. Heat capacity (Cp) can be calculated automatically with the software of the system. Thermal characterization methods are used in industrial applications, especially in the field of polymer (plastic, rubber, etc.).
STA Device: Perkin Elmer STA 8000
Operating Temperature : 25° C - 1600° C
Temperature Accuracy : ± 0.5 ° C (25° C - 1000° C)
± 1 ° C (1000° C - 1600° C)
Heating Speed : 0.1 ° C / min. - 100 ° C / min. (25° C - 1000° C)
0.1 ° C / min. - 25 ° C / min. (1000° C - 1600° C)
Weight Accuracy : 0,2 µg
Information to be Obtained by STA;
- Mass Loss,
- Decomposition Temperature Determination,
- Determination of glass transition temperature,
- Melting Temperature Determination,
- Phase Change,
- Energy Values.
