2,4-DB-methyl ester, 250mg

Penicillin G, 1000µg/ml in MeOH, 1ml

Anthrone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 90-44-8

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)