WS Residual Free Chlorine

Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

Guaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 90-05-1

Ochratoxin A, 100 µg/ml, Acetonitrile, 1ml