3. Thermal Analysis using Differential Scanning
Calorimetry
Red/gray chips were subjected to heating using a differ-
ential scanning calorimeter (DSC). The data shown in Fig.
(19) demonstrate that the red/gray chips from different WTC
samples all ignited in the range 415-435 ˚C. The energy re-
lease for each exotherm can be estimated by integrating with
respect to time under the narrow peak. Proceeding from the
smallest to largest peaks, the yields are estimated to be ap-
proximately 1.5, 3, 6 and 7.5 kJ/g respectively.
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