Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml

n-C15/n-C20, Pentadecane/Eicosane (Integration control) 1500 µg Pentadecane and 1000 µg Eicosane in 1mL isooctane n-Pentadecane/n-Eicosane = 3:2

Dursban, 1000µg/mL in MeOH, 1ml

Bezafibrate, 100 µg/ml, Acetonitrile, 1ml