Internal Standards Mix 33, 2000 ng/µl, 1ml

Pencycuron-PB-amine, 25mg

d2 C27/C28 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. -/205529-81-3

4-Ethylphenol Standard