Multi-Element Internal Std., 10ug/ml, 4x25ml

Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2

Hexazinone, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 51235-04-2

1-n-Hexyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-32, Cas.no. 476298-71-2