4,4'-Dibromobiphenyl-d8,100 µg/mL,isooctane,1mL,

Tetrachloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2539-17-5

Formetanate hydrochloride, 100 µg/ml, Acetonitril

D-Glucono-1,5-lactone, 2,5g