6-Chloronicotinic acid, certified, 0.1g

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)

2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules

Desphenyl chloridazon-15N2, 100µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.