Calibration Kit; Alternate Volume, 5 x 200ul, nonane

Sildenafil citrate,100 µg base/mL,MeOH,1mL

Methanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 67-56-1

Sodium perfluoro-1-hexanesulfonate, 50µg/ml in MeOH, 1,2ml