Phenol Standard

Metformin hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1115-70-4

Dibenzo[a,i]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 189-55-9

EPA Method 525 - Fortification Solution