Ammonium (NH4+)

Dibenzo[a,l]pentacene ('1,2:8,9-Dibenzopentacene), 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 227-09-8

Monomethyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4376-18-5

2,2,3,3,4,5,6,6-Octachlorobiphenyl