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

2-Acetylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

Sodium perfluoro-3-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol

Individual Calibration Solutions, 200ul, nonane