Metribuzin, 100µg/mL in Acetonitrile, 1ml

1,8-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 104489-29-4

Dibenzo[b,k]anthanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 188-42-1

Isovaleraldehyde-DNPH