Caffeic acid, >98%, 20mg

Sodium bis(1H,1H,2H,2H-perfluorodecyl)phosphate, 1.2ml x 50ug/ml, methanol

Thiometon, 100 µg/ml, Cyclohexane, 1ml

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