Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml

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)

Manganese (Mn)

2,2',3,3',4,5',6,6'-Octachlorobiphenyl (201)