5-Nitro-o-toluidine,100 µg/mL,acetonitrile,1mL,

Perfluoroheptanoic acid

Amylcinnamic alcohol (mixture with Amyl hydrocinnamyl alcohol), 100µg/mL, Solvent-isooctane, Unit 1ml, # of units-1, Cas.no. 101-85-9

Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1