766
The solid complex was characterized by scanning electron microscopy ( SEM ) , differential scanning calorimetry ( DSC ) , powder X - ray diffractometry ( XRD ) , and fourier transformation - infrared spectroscopy ( FT - IR ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None