pH 12.45 buffer solution (230mL)

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 DL-3-hydroxybutyrate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 150-83-4

Chlorothiazide, 500mg