16442
Cationic Al - PAM was found to adsorb irreversibly and preferentially on tetrahedral silica basal planes of kaolinite .
 Chemical: Cationic Al - PAM; Chemical: silica; Chemical: kaolinite
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Cationic Al - PAM; Chemical: silica; Chemical: kaolinite