1.% Carbon (Wt. / Vol.) Standard

n-Hexadecane-d34, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 15716-08-2

EPA 1620 Standard 1

Metoprolol tartrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56392-17-7