Metals Mix #1

Bis(2-ethylhexyl-d17) tetrabromo[13C6]phthalate, 1.2ml x 50ug/ml, toluene

17ß(H),21 alpha(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)