4-Phenylphenol, 100 µg/ml, Acetonitrile, 5ml

Methyl gallate, 100mg

Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

3,4-Dichloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane