Lead (Pb)

C27 Tetracyclic terpane Z1, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.

2,3',4,5',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Fluchloralin, 10 µg/ml, Ethyl acetate, 10ml