Hexadecane Extraction Volatiles - BTEX

17ß(H),21 alpha(H)-(22S)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 79897-70-4

D6-Dimethoate, 10 µg/ml, Ethyl acetate, 10ml

Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 50µg/ml in MeOH, 1,2ml