17177
Using pH 6 . 0 phosphate buffer solution ( PBS ) as supporting electrolyte and in the presence of 1 . 5 x 10 ( - 4 ) mol L ( - 1 ) SDS , Sudan I yielded a well - defined and sensitive oxidation peak at a GMGCE .
 Chemical: phosphate; Chemical: SDS; 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: phosphate; Chemical: SDS; Chemical: Sudan I