Multi-Element Internal Standard /

2,2',3,4,4',5,5'-Heptachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35065-29-3

DL-4-Fluoroamphetamine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 459-02-9

Octyltin trichloride, 100mg