Aqueous Ethanol Standard (0.8g/l), 10 x 1,2ml

4-Aminoazobenzene, 100 µg/ml, Acetonitrile, 1ml

4-n-Butylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1638-22-8

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