4,4'-Methylenebis(3-chloro-2,6-diethylaniline), 100mg

Desphenyl Chloridazon-15N2, 1mg

Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO

1,2,3,4-Tetrahydronaphthalene, certified, 50mg