p-Cresol-PFB derivative

Dibenzothiophene in Xylene 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 S-4054-0-XY S

BHC (delta isomer-13C6), 100µg/ml in Nonane, 1,2ml

4-Fluoro-3-phenoxy benzoic acid, 100 ng/µl, 1ml