2,4-DB, 100 µg/ml, Acetonitrile, 1ml

2-Chloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Heptadecafluorooctanesulfonic acid potassium salt,

Phthalic acid, bis-butyl ester, certified, 0.5g