15081
The kinetic coefficients for Fe ( II ) ion release ranged from 0 . 347 h ( - 1 ) to 0 . 774 h ( - 1 ) ; and those for Fe ( III ) ion production were from 6 . 66 x 10 ( - 3 ) h ( - 1 ) to 8 . 93 x 10 ( - 3 ) h ( - 1 ) .
 Chemical: Fe ( II ); Chemical: Fe ( III )
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: Fe ( II ); Chemical: Fe ( III )