WS Trace Elements #1

trans-9,10-Dihydroxy-9,10-dihydrophenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 572-41-8

BTEX (50 µg/mL)

Chlorpyrifos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2921-88-2