Ethanol standard in serum,1.0g/L,serum, 1.5mL

n-Hexadecane, ?13C: - 33.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 544-76-3

Ytterbium (Yb)

Propyl gallate, 250mg