Revised Spiking Standard #2

Bromocyclen,100 µg/mL,acetonitrile,1mL,

n-Tetracosane, ?13C: -26.42, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 646-31-1

Fumaric acid, 250mg