Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol

Tetraethyllead

1-n-Propylpyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 42211-33-6

Diphenyl isopropylphenyl phosphate, techn. isomer mixture,1000 µg/mL,isooctane,1mL,