Orthophosphate (as PO4)

Carbon-13C1-tetrachloride,2000 µg/mL,MeOH,1mL,

Naltrexone (base, anhydrous), 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 16590-41-3

Matrix Spiking Solution, 1.2ml, nonane