Fermentation Standard, in Water, 1ml

(+/-)-Norepinephrine hydrochloride,1000 µg base/mL,MeOH,1mL,

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9

N-Nitrosodimethylamine