WS inorganic disinfection by-products, B

2,3',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-72-6

Rice flour - Trace elements, 50g

2,2-Dimethylbutane