Disulfoton-sulfone, 10.0 µg/ml, Acetonitrile, 10

2,2',3,5,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2,2',3,4,4',5,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Hafnium (Hf)