PIONA Calibration Standard (Wt%)

Diacenaphthyleno[1,2-b;1',2'-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203-42-9

Metformin-HCl, 100µg/ml in Acetonitrile, 5ml

2-Methylfuran, 100mg