Purgeable Internal Standard

4-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104601-39-0

Maprotiline hydrochloride,neat,neat,10mg,

Leptophos, 10.0 µg/ml, Ethyl acetate, 10ml