3,3´-Dichlorobenzidine, 100mg

Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions

Fenthion-oxon-sulfone, 100 µg/ml, Acetonitrile,

Nitrobenzene, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 98-95-3