26119
Chromatographic separation was accomplished on an Agilent TC - C18 column ( 4 . 6mm x 250mm , 5 mu m ) , with gradient elution by using a mixture of methanoic acid ( A ) and acetonitrile ( B ) as the mobile phase at a flow rate of 0 . 8mL / min .
 Chemical: methanoic acid; Chemical: acetonitrile
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: methanoic acid; Chemical: acetonitrile