17ß(H),21 alpha(H)-Hopane, 100µg/mLin isooctane, 1ml

tert-Butanol, 1ml

Tetrasul, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2227-13-6

Lead (Pb)