FDS: thermal analysis Flashcards
Introduction
Thermogravimetry:
general thermodynamic relationships
Differential thermal analysis:
Differential scanning calorimetry:
Thermogravimetry Several basic components:
causes of weight change
thermal gravimetric instrument
balance
thermal gravimetric instrument
control
TG: complete instrument
TG importance of sample dimensions
TG calibration: weight loss
TG calibration: Temperature TGA
TG: effect of sample size
TG: effect of heating rate
TG: sources of error
TG: calcium oxalate decomposition
TG: metal oxalate decomposition
TG: identification of polymers
Differential Scanning Calorimetry
schematic of DSC instrument
DSC Thermogram
general
DSC Thermogram
Vant Hoff law
DSC: Glass transition
DSC: some factors affecting Tg