17175
Electrochemical determination of Sudan I in food samples at graphene modified glassy carbon electrode based on the enhancement effect of sodium dodecyl sulphonate .
 Chemical: Sudan I; Chemical: graphene; Chemical: carbon; Chemical: sodium dodecyl sulphonate
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; Chemical: graphene; Chemical: carbon; Chemical: sodium dodecyl sulphonate