Native Halogenated Carbazoles Solution/Mixture, 1.2ml, nonane

Propranolol hydrochloride, certified, 0.1g

Selenium (VI) Selenate, 1000µg/ml in Water, 100ml

Sulfur Calibration Standard Unit: 10mL screw cap bottle or custom-made cylinders Chiron No. Matrix: Methanol Compound Concentration S-4078 0185.2 Dimethyl sulfide 5 ppm (w/w)