Pyrene, 10 µg/ml, Cyclohexane, 10ml

Heptachlor-exo-epoxide, 100 µg/ml, Ethyl acetate,

Betulin, 600µg/mL, Solvent-diisopropyl ether, Unit 1mL, # of units-1, Cas.no. 473-98-3

Tm/Ts Mixture Tm – 0615,27 17alpha(H)-22,29,30-Trisnorhopane Ts – 2635,27 18alpha(H)-22,29,30-Trisnorneohopane With a spesific ratio between the two peaks based on a SIM spectra of ion m/z = 191