pH 12.0 Standard @ 25°C

Diisoundecyl phthalate,100 µg/mL,acetonitrile,1mL,

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

4'-Fluoro-2,3',6-tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863314-86-7