Nickel (Ni)

2,2’,4,4’,5,5’-Hexachlorobiphenyl (153)

Quintiofos, 10 µg/ml, Ethyl acetate, 10.0ml

Diphenyltolyl phosphate - purified techn. mixture of o-, m-, p-tolyl isomers,50 µg/mL,toluene,1mL,