Trichloroacetic acid sodium salt, certified, 0.25g

Potassium perfluoro-1-butanesulfonate, 1.2ml x 50ug/ml, methanol

Ethyl vanillin

1-Ethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17088-22-1