9808
Unusual thermal behavior was detected with differential scanning calorimetry ( DSC ) and its source was determined using thermogravimetry ( TG ) , X - ray powder diffraction ( XRPD ) and hot - stage microscopy .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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