6135
This method is demonstrated in the literature for gas adsorption onto solid adsorbates including zeolites of various surface charge character and non - porous rutile phase titanium dioxide .
 Chemical: titanium dioxide
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: titanium dioxide 
Answer:
 Chemical: titanium dioxide