3,3’-Dichlorobenzidine

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)

MA - EPH Fractionation Surrogate Spike Rev 1.0/1.1

2,4-DB, 10 µg/ml, Acetonitrile, 10ml