17180
The oxidation peak current showed a linear relationship with the concentrations of Sudan I in the range of 7 . 50 x 10 ( - 8 ) - 7 . 50 x 10 ( - 6 ) mol L ( - 1 ) , with the detection limit of 4 . 0 x 10 ( - 8 ) mol L ( - 1 ) .
 Chemical: Sudan I
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: Sudan I