Spectinomycin dihydrochloride pentahydrate, 250mg

n-Hexatriacontane-d74, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-34-5

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)

Sodium Formate (CHO2-)