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

Chrysene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1719-03-5

Benzo(a)anthracene-7,12-dione

13C6-Sulfadimethoxine, 10mg