Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml

Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1257647-76-9

Simvastatin, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 79902-63-9

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)