Chloroacetic Acid, 100 µg/ml, Acetonitrile, 1ml

Ferulic acid, >98%, 20mg

ISO 18857-1 4-n-Nonylphenol (ring13C6), Internal standard 1 ng/µL, in acetone, 5mL

Dieldrin, 100 µg/ml, Acetonitrile, 5ml