Mass-Labelled PCB Sampling Standard, 1.2ml, nonane

1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

Warfarin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81-81-2

Silver (Ag)