21034
Solid - state characterization with X - ray powder diffraction ( XRPD ) and differential scanning calorimetry ( DSC ) revealed that the various blends could be prepared as homogeneous , single phase co - amorphous formulations indicated by the appearance of an amorphous halo in the XRPD diffractograms and a single glass transition temperature ( Tg ) in the DSC measurements .
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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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