Differential Scanning Calorimetry (DSC)
Differential Scanning Calorimetry (DSC)
Differential Scanning Calorimetry (DSC)
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SDT 2960 <strong>DSC</strong> Heat Flow Calibration<br />
•Two scans from ambient to 1500°C at 20 °C/min<br />
•empty alumina pans<br />
•sapphire in alumina sample pan<br />
•Use Thermal Solutions/Thermal Advantage NT<br />
Software to analyze<br />
•E-curve will be calculated and transferred to the<br />
module when the user accepts the results<br />
<strong>DSC</strong>: Instrument Preparation<br />
�Purge Gas<br />
�Type of purge gas and flow rate affect calibration and therefore<br />
should be controlled<br />
�Nitrogen is preferred because it is inert and calibration is least<br />
affected by changes in flow rate<br />
�Cooling Accessories<br />
�If used, they should be operating and equilibriated prior to<br />
calibration or sample runs<br />
�Warm-up Time/Environment<br />
�Electronics should be given at least one hour to stabilize for<br />
important samples if the instrument has been turned OFF<br />
�Electronics are effected by ambient temperature. Avoid areas such<br />
as hoods or near an air conditioner
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