515.4 Stock Standard

1,8-Diaza-2,9-diketocyclotetradecane, 2,5mg

Surrogate Mix 1601,12 2-Fluorbiphenyl [321-60-8] 1313,10 1-Fluornapthalene [321-38-0] 2000µg/ml each in DCM, 5ml

Ochratoxin A (from Petromyces albertensis)