Mono-(2-ethyl-5-carboxypentyl)phthalate-13C2, 1,2m

(+/-)-Norepinephrine hydrochloride,1000 µg base/mL,MeOH,1mL,

Fonofos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 944-22-9

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)