18457
In the present study , we focused on [ TBP ] / [ Au ( III ) ] ratios of 1 - 5 ( =~ 1 mM HAuCl4 ) and seed sizes ~ 20 nm .
 Chemical: Au ( III ); Chemical: HAuCl4
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: Au ( III ); Chemical: HAuCl4